./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_1_2.i --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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_1_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/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 f2d1b02369a1f0b5046b14bc967075017a0d2438bdce8876a41d0f5cadb3a872 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:57,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:57,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:57,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:57,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:57,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:57,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:57,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:57,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:57,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:57,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:57,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:57,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:57,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:57,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:57,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:57,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:57,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:57,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:57,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:57,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:57,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:57,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:57,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:57,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:57,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:57,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:57,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:57,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:57,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:57,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:57,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:57,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:57,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:57,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:57,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:57,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:57,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:57,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:57,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:57,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:57,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:57,432 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:57,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:57,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:57,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:57,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:57,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:57,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:57,437 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:57,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:57,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:57,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:57,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:57,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:57,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:57,440 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:57,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:57,441 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:57,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:57,442 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:57,442 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:57,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:57,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:57,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:57,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:57,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:57,444 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:57,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:57,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:57,445 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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2d1b02369a1f0b5046b14bc967075017a0d2438bdce8876a41d0f5cadb3a872 [2021-11-23 15:58:57,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:57,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:57,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:57,777 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:57,778 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:57,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/gcd_1+newton_1_2.i [2021-11-23 15:58:57,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/data/47fde13ea/66788545604c4fe79809ce11b2db7afa/FLAG268b07903 [2021-11-23 15:58:58,410 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:58,410 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i [2021-11-23 15:58:58,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/data/47fde13ea/66788545604c4fe79809ce11b2db7afa/FLAG268b07903 [2021-11-23 15:58:58,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/data/47fde13ea/66788545604c4fe79809ce11b2db7afa [2021-11-23 15:58:58,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:58,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:58,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:58,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:58,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:58,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20986fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58, skipping insertion in model container [2021-11-23 15:58:58,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:58,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:59,089 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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[1226,1239] [2021-11-23 15:58:59,118 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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[2786,2799] [2021-11-23 15:58:59,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:59,130 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:59,145 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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[1226,1239] [2021-11-23 15:58:59,160 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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[2786,2799] [2021-11-23 15:58:59,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:59,180 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:59,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59 WrapperNode [2021-11-23 15:58:59,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:59,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:59,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:59,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:59,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,227 INFO L137 Inliner]: procedures = 27, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 78 [2021-11-23 15:58:59,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:59,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:59,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:59,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:59,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:59,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:59,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:59,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:59,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:59,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:59,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:59,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:59,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:59,437 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:59,439 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:59,618 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:59,644 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 15:58:59,648 INFO L158 Benchmark]: Toolchain (without parser) took 843.01ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 64.8MB in the end (delta: 3.4MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2021-11-23 15:58:59,649 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:59,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.09ms. Allocated memory is still 104.9MB. Free memory was 68.1MB in the beginning and 79.4MB in the end (delta: -11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:58:59,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.84ms. Allocated memory is still 104.9MB. Free memory was 79.4MB in the beginning and 77.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:59,654 INFO L158 Benchmark]: Boogie Preprocessor took 28.46ms. Allocated memory is still 104.9MB. Free memory was 77.4MB in the beginning and 76.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:59,655 INFO L158 Benchmark]: RCFGBuilder took 388.15ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 64.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:58:59,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.09ms. Allocated memory is still 104.9MB. Free memory was 68.1MB in the beginning and 79.4MB in the end (delta: -11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.84ms. Allocated memory is still 104.9MB. Free memory was 79.4MB in the beginning and 77.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.46ms. Allocated memory is still 104.9MB. Free memory was 77.4MB in the beginning and 76.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 388.15ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 64.8MB in the end (delta: 11.2MB). 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 15:58:59,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_1_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/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 f2d1b02369a1f0b5046b14bc967075017a0d2438bdce8876a41d0f5cadb3a872 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:02,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:02,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:02,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:02,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:02,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:02,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:02,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:02,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:02,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:02,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:02,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:02,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:02,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:02,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:02,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:02,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:02,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:02,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:02,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:02,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:02,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:02,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:02,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:02,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:02,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:02,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:02,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:02,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:02,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:02,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:02,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:02,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:02,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:02,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:02,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:02,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:02,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:02,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:02,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:02,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:02,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:59:02,530 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:02,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:02,533 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:02,533 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:02,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:02,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:02,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:02,536 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:02,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:02,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:02,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:02,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:02,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:02,538 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:59:02,538 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:59:02,539 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:59:02,539 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:02,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:02,539 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:02,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:02,540 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:02,540 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:02,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:02,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:02,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:02,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:02,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:02,542 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:59:02,542 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:59:02,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:02,542 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:59:02,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:59:02,543 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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2d1b02369a1f0b5046b14bc967075017a0d2438bdce8876a41d0f5cadb3a872 [2021-11-23 15:59:03,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:03,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:03,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:03,042 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:03,043 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:03,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/gcd_1+newton_1_2.i [2021-11-23 15:59:03,130 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/data/d0ee24552/7bda7651f9c64be6981d7e5fdb15d4d7/FLAGbb8fdf80e [2021-11-23 15:59:03,756 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:03,757 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i [2021-11-23 15:59:03,766 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/data/d0ee24552/7bda7651f9c64be6981d7e5fdb15d4d7/FLAGbb8fdf80e [2021-11-23 15:59:04,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/data/d0ee24552/7bda7651f9c64be6981d7e5fdb15d4d7 [2021-11-23 15:59:04,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:04,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:04,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:04,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:04,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:04,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c977bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04, skipping insertion in model container [2021-11-23 15:59:04,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:04,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:04,372 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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[1226,1239] [2021-11-23 15:59:04,401 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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[2786,2799] [2021-11-23 15:59:04,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:04,430 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:04,443 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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[1226,1239] [2021-11-23 15:59:04,486 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_301700de-ae54-4d0a-8cb6-c5982bf94c5c/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[2786,2799] [2021-11-23 15:59:04,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:04,503 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:04,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04 WrapperNode [2021-11-23 15:59:04,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:04,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:04,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:04,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:04,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,547 INFO L137 Inliner]: procedures = 28, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 73 [2021-11-23 15:59:04,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:04,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:04,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:04,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:04,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:04,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:04,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:04,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:04,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:04,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:04,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:04,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:04,762 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:04,764 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:27,254 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:27,275 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 15:59:27,279 INFO L158 Benchmark]: Toolchain (without parser) took 23139.23ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 30.6MB in the end (delta: 12.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:27,280 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:27,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.06ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 45.0MB in the end (delta: -1.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:59:27,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.46ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 43.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:27,282 INFO L158 Benchmark]: Boogie Preprocessor took 34.90ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 41.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:27,283 INFO L158 Benchmark]: RCFGBuilder took 22694.03ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 30.6MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:27,287 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.06ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 45.0MB in the end (delta: -1.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.46ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 43.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.90ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 41.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 22694.03ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 30.6MB in the end (delta: 11.0MB). 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 15:59:27,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_301700de-ae54-4d0a-8cb6-c5982bf94c5c/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