./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/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 184de52a0dff4eb1d8c7e38c30c44a1d55b19bad29c4bb3af8f1421516bacfd9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:13,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:13,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:13,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:13,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:13,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:13,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:13,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:13,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:13,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:13,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:13,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:13,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:13,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:13,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:13,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:13,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:13,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:13,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:13,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:13,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:13,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:13,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:13,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:13,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:13,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:13,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:13,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:13,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:13,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:13,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:13,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:13,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:13,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:13,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:13,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:13,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:13,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:13,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:13,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:13,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:13,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:13,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:13,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:13,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:13,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:13,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:13,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:13,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:13,652 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:13,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:13,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:13,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:13,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:13,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:13,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:13,655 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:13,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:13,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:13,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:13,656 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:13,656 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:13,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:13,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:13,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:13,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:13,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:13,657 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:13,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:13,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:13,658 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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 184de52a0dff4eb1d8c7e38c30c44a1d55b19bad29c4bb3af8f1421516bacfd9 [2021-11-23 15:58:13,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:13,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:13,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:13,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:13,968 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:13,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/gcd_1+newton_2_7.i [2021-11-23 15:58:14,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/data/1a087bc21/5fabb3cb8fcb4ad8985c41daa2821eb1/FLAG5956bd693 [2021-11-23 15:58:14,515 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:14,516 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i [2021-11-23 15:58:14,522 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/data/1a087bc21/5fabb3cb8fcb4ad8985c41daa2821eb1/FLAG5956bd693 [2021-11-23 15:58:14,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/data/1a087bc21/5fabb3cb8fcb4ad8985c41daa2821eb1 [2021-11-23 15:58:14,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:14,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:14,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:14,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:14,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:14,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:14" (1/1) ... [2021-11-23 15:58:14,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52144d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:14, skipping insertion in model container [2021-11-23 15:58:14,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:14" (1/1) ... [2021-11-23 15:58:14,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:14,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:15,114 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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[1226,1239] [2021-11-23 15:58:15,142 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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[2807,2820] [2021-11-23 15:58:15,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:15,152 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:15,166 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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[1226,1239] [2021-11-23 15:58:15,178 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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[2807,2820] [2021-11-23 15:58:15,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:15,193 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:15,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:15 WrapperNode [2021-11-23 15:58:15,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:15,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:15,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:15,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:15,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:15" (1/1) ... [2021-11-23 15:58:15,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:15" (1/1) ... [2021-11-23 15:58:15,233 INFO L137 Inliner]: procedures = 27, calls = 16, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 77 [2021-11-23 15:58:15,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:15,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:15,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:15,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:15,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:15" (1/1) ... [2021-11-23 15:58:15,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:15" (1/1) ... [2021-11-23 15:58:15,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:15" (1/1) ... [2021-11-23 15:58:15,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:15" (1/1) ... [2021-11-23 15:58:15,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:15" (1/1) ... [2021-11-23 15:58:15,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:15" (1/1) ... [2021-11-23 15:58:15,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:15" (1/1) ... [2021-11-23 15:58:15,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:15,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:15,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:15,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:15,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:15" (1/1) ... [2021-11-23 15:58:15,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:15,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:15,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:15,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:15,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2021-11-23 15:58:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2021-11-23 15:58:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 15:58:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 15:58:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:15,412 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:15,415 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:15,615 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:15,639 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 15:58:15,644 INFO L158 Benchmark]: Toolchain (without parser) took 750.12ms. Allocated memory is still 94.4MB. Free memory was 59.1MB in the beginning and 53.6MB in the end (delta: 5.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2021-11-23 15:58:15,645 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory was 65.0MB in the beginning and 65.0MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:15,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.36ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 68.1MB in the end (delta: -9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:58:15,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.72ms. Allocated memory is still 94.4MB. Free memory was 68.1MB in the beginning and 66.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:15,648 INFO L158 Benchmark]: Boogie Preprocessor took 23.69ms. Allocated memory is still 94.4MB. Free memory was 66.2MB in the beginning and 65.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:15,649 INFO L158 Benchmark]: RCFGBuilder took 383.66ms. Allocated memory is still 94.4MB. Free memory was 65.0MB in the beginning and 53.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:58:15,653 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory was 65.0MB in the beginning and 65.0MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.36ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 68.1MB in the end (delta: -9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.72ms. Allocated memory is still 94.4MB. Free memory was 68.1MB in the beginning and 66.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.69ms. Allocated memory is still 94.4MB. Free memory was 66.2MB in the beginning and 65.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 383.66ms. Allocated memory is still 94.4MB. Free memory was 65.0MB in the beginning and 53.6MB in the end (delta: 11.5MB). 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 15:58:15,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/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 184de52a0dff4eb1d8c7e38c30c44a1d55b19bad29c4bb3af8f1421516bacfd9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:18,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:18,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:18,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:18,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:18,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:18,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:18,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:18,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:18,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:18,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:18,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:18,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:18,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:18,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:18,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:18,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:18,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:18,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:18,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:18,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:18,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:18,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:18,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:18,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:18,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:18,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:18,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:18,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:18,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:18,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:18,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:18,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:18,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:18,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:18,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:18,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:18,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:18,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:18,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:18,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:18,258 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:18,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:18,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:18,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:18,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:18,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:18,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:18,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:18,306 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:18,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:18,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:18,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:18,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:18,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:18,309 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:18,309 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:18,309 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:18,309 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:18,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:18,310 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:18,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:18,310 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:18,310 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:18,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:18,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:18,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:18,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:18,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:18,312 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:18,312 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:18,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:18,312 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:18,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:18,313 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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 184de52a0dff4eb1d8c7e38c30c44a1d55b19bad29c4bb3af8f1421516bacfd9 [2021-11-23 15:58:18,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:18,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:18,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:18,811 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:18,812 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:18,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/gcd_1+newton_2_7.i [2021-11-23 15:58:18,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/data/fabb4f46c/ebd4d559abfb4b28b8f9033a022a48ac/FLAG016762feb [2021-11-23 15:58:19,383 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:19,387 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i [2021-11-23 15:58:19,396 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/data/fabb4f46c/ebd4d559abfb4b28b8f9033a022a48ac/FLAG016762feb [2021-11-23 15:58:19,717 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/data/fabb4f46c/ebd4d559abfb4b28b8f9033a022a48ac [2021-11-23 15:58:19,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:19,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:19,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:19,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:19,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:19,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:19" (1/1) ... [2021-11-23 15:58:19,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170895ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:19, skipping insertion in model container [2021-11-23 15:58:19,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:19" (1/1) ... [2021-11-23 15:58:19,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:19,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:19,903 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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[1226,1239] [2021-11-23 15:58:19,935 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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[2807,2820] [2021-11-23 15:58:19,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:19,958 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:19,998 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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[1226,1239] [2021-11-23 15:58:20,012 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_07fc0ecc-8fc4-4554-a587-0c41bb76a988/sv-benchmarks/c/combinations/gcd_1+newton_2_7.i[2807,2820] [2021-11-23 15:58:20,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:20,063 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:20,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:20 WrapperNode [2021-11-23 15:58:20,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:20,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:20,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:20,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:20,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:20" (1/1) ... [2021-11-23 15:58:20,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:20" (1/1) ... [2021-11-23 15:58:20,107 INFO L137 Inliner]: procedures = 28, calls = 16, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 72 [2021-11-23 15:58:20,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:20,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:20,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:20,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:20,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:20" (1/1) ... [2021-11-23 15:58:20,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:20" (1/1) ... [2021-11-23 15:58:20,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:20" (1/1) ... [2021-11-23 15:58:20,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:20" (1/1) ... [2021-11-23 15:58:20,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:20" (1/1) ... [2021-11-23 15:58:20,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:20" (1/1) ... [2021-11-23 15:58:20,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:20" (1/1) ... [2021-11-23 15:58:20,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:20,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:20,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:20,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:20,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:20" (1/1) ... [2021-11-23 15:58:20,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:20,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:20,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:20,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2021-11-23 15:58:20,246 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2021-11-23 15:58:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 15:58:20,246 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 15:58:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:20,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:20,380 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:20,382 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:44,876 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:44,896 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 15:58:44,902 INFO L158 Benchmark]: Toolchain (without parser) took 25179.76ms. Allocated memory is still 62.9MB. Free memory was 43.4MB in the beginning and 31.3MB in the end (delta: 12.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-11-23 15:58:44,903 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:44,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.40ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 45.8MB in the end (delta: -2.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:58:44,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.06ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 44.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:44,906 INFO L158 Benchmark]: Boogie Preprocessor took 32.09ms. Allocated memory is still 62.9MB. Free memory was 44.0MB in the beginning and 42.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:44,907 INFO L158 Benchmark]: RCFGBuilder took 24758.48ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 31.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:44,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.40ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 45.8MB in the end (delta: -2.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.06ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 44.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.09ms. Allocated memory is still 62.9MB. Free memory was 44.0MB in the beginning and 42.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 24758.48ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 31.3MB in the end (delta: 11.2MB). 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 15:58:45,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07fc0ecc-8fc4-4554-a587-0c41bb76a988/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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