./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_2_7.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_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/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_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/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_e20be458-f43d-4ac6-99c5-31e5c747fce5/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 5365e3b9adf0a1dadb935cfdb4266af37826f3120fbeff3f7ce577b21fb856a6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:16,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:16,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:16,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:16,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:16,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:16,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:16,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:16,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:16,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:16,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:16,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:16,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:16,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:16,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:16,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:16,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:16,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:16,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:16,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:16,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:16,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:16,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:16,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:16,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:16,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:16,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:16,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:16,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:16,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:16,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:16,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:16,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:16,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:16,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:16,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:16,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:16,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:16,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:16,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:16,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:16,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:33:16,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:16,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:16,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:16,493 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:16,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:16,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:16,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:16,495 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:16,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:16,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:16,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:16,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:16,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:16,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:16,497 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:16,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:16,498 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:16,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:16,498 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:16,498 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:16,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:16,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:16,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:16,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:16,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:16,506 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:16,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:16,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:16,507 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_e20be458-f43d-4ac6-99c5-31e5c747fce5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5365e3b9adf0a1dadb935cfdb4266af37826f3120fbeff3f7ce577b21fb856a6 [2021-11-23 15:33:16,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:16,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:16,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:16,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:16,949 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:16,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/gcd_4+newton_2_7.i [2021-11-23 15:33:17,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/data/69c71d735/e4eb25b6724f42e5988a0b7930b52e73/FLAG82f5d784f [2021-11-23 15:33:17,660 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:17,661 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/sv-benchmarks/c/combinations/gcd_4+newton_2_7.i [2021-11-23 15:33:17,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/data/69c71d735/e4eb25b6724f42e5988a0b7930b52e73/FLAG82f5d784f [2021-11-23 15:33:17,974 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/data/69c71d735/e4eb25b6724f42e5988a0b7930b52e73 [2021-11-23 15:33:17,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:17,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:17,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:17,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:18,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:18,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:18,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb62e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:18, skipping insertion in model container [2021-11-23 15:33:18,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:18,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:18,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:18,304 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_e20be458-f43d-4ac6-99c5-31e5c747fce5/sv-benchmarks/c/combinations/gcd_4+newton_2_7.i[1224,1237] [2021-11-23 15:33:18,338 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_e20be458-f43d-4ac6-99c5-31e5c747fce5/sv-benchmarks/c/combinations/gcd_4+newton_2_7.i[2827,2840] [2021-11-23 15:33:18,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:18,350 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:18,367 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_e20be458-f43d-4ac6-99c5-31e5c747fce5/sv-benchmarks/c/combinations/gcd_4+newton_2_7.i[1224,1237] [2021-11-23 15:33:18,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/sv-benchmarks/c/combinations/gcd_4+newton_2_7.i[2827,2840] [2021-11-23 15:33:18,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:18,402 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:18,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:18 WrapperNode [2021-11-23 15:33:18,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:18,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:18,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:18,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:18,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:18" (1/1) ... [2021-11-23 15:33:18,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:18" (1/1) ... [2021-11-23 15:33:18,482 INFO L137 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 72 [2021-11-23 15:33:18,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:18,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:18,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:18,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:18,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:18" (1/1) ... [2021-11-23 15:33:18,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:18" (1/1) ... [2021-11-23 15:33:18,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:18" (1/1) ... [2021-11-23 15:33:18,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:18" (1/1) ... [2021-11-23 15:33:18,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:18" (1/1) ... [2021-11-23 15:33:18,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:18" (1/1) ... [2021-11-23 15:33:18,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:18" (1/1) ... [2021-11-23 15:33:18,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:18,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:18,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:18,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:18,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:18" (1/1) ... [2021-11-23 15:33:18,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:18,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:18,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:18,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2021-11-23 15:33:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2021-11-23 15:33:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 15:33:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 15:33:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:33:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:33:18,764 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:18,766 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:18,997 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:19,048 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 15:33:19,054 INFO L158 Benchmark]: Toolchain (without parser) took 1073.54ms. Allocated memory is still 88.1MB. Free memory was 47.9MB in the beginning and 42.6MB in the end (delta: 5.3MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2021-11-23 15:33:19,055 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 88.1MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:19,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.04ms. Allocated memory is still 88.1MB. Free memory was 47.8MB in the beginning and 56.8MB in the end (delta: -9.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:19,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.84ms. Allocated memory is still 88.1MB. Free memory was 56.8MB in the beginning and 55.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:19,058 INFO L158 Benchmark]: Boogie Preprocessor took 58.99ms. Allocated memory is still 88.1MB. Free memory was 54.8MB in the beginning and 53.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:19,059 INFO L158 Benchmark]: RCFGBuilder took 508.51ms. Allocated memory is still 88.1MB. Free memory was 53.7MB in the beginning and 42.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:19,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 88.1MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.04ms. Allocated memory is still 88.1MB. Free memory was 47.8MB in the beginning and 56.8MB in the end (delta: -9.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.84ms. Allocated memory is still 88.1MB. Free memory was 56.8MB in the beginning and 55.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.99ms. Allocated memory is still 88.1MB. Free memory was 54.8MB in the beginning and 53.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 508.51ms. Allocated memory is still 88.1MB. Free memory was 53.7MB in the beginning and 42.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:33:19,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/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_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/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_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/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_e20be458-f43d-4ac6-99c5-31e5c747fce5/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 5365e3b9adf0a1dadb935cfdb4266af37826f3120fbeff3f7ce577b21fb856a6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:22,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:22,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:22,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:22,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:22,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:22,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:22,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:22,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:22,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:22,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:22,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:22,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:22,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:22,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:22,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:22,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:22,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:22,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:22,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:22,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:22,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:22,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:22,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:22,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:22,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:22,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:22,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:22,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:22,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:22,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:22,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:22,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:22,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:22,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:22,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:22,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:22,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:22,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:22,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:22,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:22,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:22,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:22,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:22,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:22,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:22,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:22,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:22,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:22,481 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:22,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:22,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:22,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:22,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:22,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:22,485 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:22,485 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:22,485 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:22,486 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:22,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:22,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:22,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:22,487 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:22,487 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:22,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:22,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:22,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:22,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:22,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:22,489 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:22,490 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:22,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:22,490 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:22,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:22,491 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_e20be458-f43d-4ac6-99c5-31e5c747fce5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5365e3b9adf0a1dadb935cfdb4266af37826f3120fbeff3f7ce577b21fb856a6 [2021-11-23 15:33:22,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:23,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:23,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:23,022 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:23,024 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:23,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/gcd_4+newton_2_7.i [2021-11-23 15:33:23,128 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/data/34c53b961/534025704f5f46bea962a261acd18ba7/FLAG57e9c28da [2021-11-23 15:33:23,827 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:23,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/sv-benchmarks/c/combinations/gcd_4+newton_2_7.i [2021-11-23 15:33:23,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/data/34c53b961/534025704f5f46bea962a261acd18ba7/FLAG57e9c28da [2021-11-23 15:33:24,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/data/34c53b961/534025704f5f46bea962a261acd18ba7 [2021-11-23 15:33:24,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:24,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:24,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:24,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:24,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:24,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:24" (1/1) ... [2021-11-23 15:33:24,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc14568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:24, skipping insertion in model container [2021-11-23 15:33:24,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:24" (1/1) ... [2021-11-23 15:33:24,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:24,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:24,476 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_e20be458-f43d-4ac6-99c5-31e5c747fce5/sv-benchmarks/c/combinations/gcd_4+newton_2_7.i[1224,1237] [2021-11-23 15:33:24,510 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_e20be458-f43d-4ac6-99c5-31e5c747fce5/sv-benchmarks/c/combinations/gcd_4+newton_2_7.i[2827,2840] [2021-11-23 15:33:24,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:24,526 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:24,542 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_e20be458-f43d-4ac6-99c5-31e5c747fce5/sv-benchmarks/c/combinations/gcd_4+newton_2_7.i[1224,1237] [2021-11-23 15:33:24,559 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_e20be458-f43d-4ac6-99c5-31e5c747fce5/sv-benchmarks/c/combinations/gcd_4+newton_2_7.i[2827,2840] [2021-11-23 15:33:24,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:24,579 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:24,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:24 WrapperNode [2021-11-23 15:33:24,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:24,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:24,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:24,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:24,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:24" (1/1) ... [2021-11-23 15:33:24,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:24" (1/1) ... [2021-11-23 15:33:24,630 INFO L137 Inliner]: procedures = 28, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 69 [2021-11-23 15:33:24,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:24,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:24,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:24,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:24,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:24" (1/1) ... [2021-11-23 15:33:24,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:24" (1/1) ... [2021-11-23 15:33:24,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:24" (1/1) ... [2021-11-23 15:33:24,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:24" (1/1) ... [2021-11-23 15:33:24,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:24" (1/1) ... [2021-11-23 15:33:24,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:24" (1/1) ... [2021-11-23 15:33:24,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:24" (1/1) ... [2021-11-23 15:33:24,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:24,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:24,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:24,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:24,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:24" (1/1) ... [2021-11-23 15:33:24,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:24,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:24,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:24,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2021-11-23 15:33:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2021-11-23 15:33:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 15:33:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 15:33:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:33:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:33:24,870 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:24,872 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:49,332 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:49,358 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 15:33:49,365 INFO L158 Benchmark]: Toolchain (without parser) took 25149.11ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.8MB in the beginning and 43.1MB in the end (delta: -14.3MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:49,366 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 52.4MB. Free memory is still 32.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:49,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.44ms. Allocated memory is still 52.4MB. Free memory was 28.5MB in the beginning and 30.2MB in the end (delta: -1.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-11-23 15:33:49,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.49ms. Allocated memory is still 52.4MB. Free memory was 30.0MB in the beginning and 28.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:49,369 INFO L158 Benchmark]: Boogie Preprocessor took 39.54ms. Allocated memory is still 52.4MB. Free memory was 28.4MB in the beginning and 26.9MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:49,370 INFO L158 Benchmark]: RCFGBuilder took 24690.86ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 26.9MB in the beginning and 43.1MB in the end (delta: -16.2MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 15:33:49,374 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 52.4MB. Free memory is still 32.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.44ms. Allocated memory is still 52.4MB. Free memory was 28.5MB in the beginning and 30.2MB in the end (delta: -1.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.49ms. Allocated memory is still 52.4MB. Free memory was 30.0MB in the beginning and 28.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.54ms. Allocated memory is still 52.4MB. Free memory was 28.4MB in the beginning and 26.9MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 24690.86ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 26.9MB in the beginning and 43.1MB in the end (delta: -16.2MB). Peak memory consumption was 7.9MB. 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 15:33:49,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e20be458-f43d-4ac6-99c5-31e5c747fce5/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