./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_1_6.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_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/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_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_1_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/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_854020a5-a09b-4c84-aff1-6ba49918507d/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 8d5852a96a997fd819a9dfc3e184ca8c6360d14970e60ecfb10d610384c98f94 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:33,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:33,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:33,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:33,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:33,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:33,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:33,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:33,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:33,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:33,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:33,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:33,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:33,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:33,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:33,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:33,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:33,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:33,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:33,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:33,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:33,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:33,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:33,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:33,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:33,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:33,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:33,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:33,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:33,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:33,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:33,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:33,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:33,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:33,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:33,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:33,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:33,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:33,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:33,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:33,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:33,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:46:33,341 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:33,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:33,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:46:33,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:46:33,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:33,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:33,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:33,344 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:33,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:46:33,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:33,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:33,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:46:33,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:33,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:46:33,353 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:33,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:46:33,353 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:33,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:46:33,354 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:33,354 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:33,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:33,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:33,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:33,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:33,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:46:33,355 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:46:33,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:46:33,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:46:33,356 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_854020a5-a09b-4c84-aff1-6ba49918507d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d5852a96a997fd819a9dfc3e184ca8c6360d14970e60ecfb10d610384c98f94 [2021-11-23 15:46:33,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:33,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:33,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:33,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:33,669 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:33,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/gcd_4+newton_1_6.i [2021-11-23 15:46:33,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/data/6f2011dd4/eccf38f1cff6497595f84529822220ef/FLAGa5bf15f29 [2021-11-23 15:46:34,184 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:34,185 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i [2021-11-23 15:46:34,206 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/data/6f2011dd4/eccf38f1cff6497595f84529822220ef/FLAGa5bf15f29 [2021-11-23 15:46:34,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/data/6f2011dd4/eccf38f1cff6497595f84529822220ef [2021-11-23 15:46:34,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:34,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:34,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:34,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:34,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:34,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:34" (1/1) ... [2021-11-23 15:46:34,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456dd59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:34, skipping insertion in model container [2021-11-23 15:46:34,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:34" (1/1) ... [2021-11-23 15:46:34,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:34,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:34,414 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_854020a5-a09b-4c84-aff1-6ba49918507d/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[1224,1237] [2021-11-23 15:46:34,449 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_854020a5-a09b-4c84-aff1-6ba49918507d/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[2806,2819] [2021-11-23 15:46:34,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:34,458 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:34,470 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_854020a5-a09b-4c84-aff1-6ba49918507d/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[1224,1237] [2021-11-23 15:46:34,482 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_854020a5-a09b-4c84-aff1-6ba49918507d/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[2806,2819] [2021-11-23 15:46:34,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:34,497 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:34,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:34 WrapperNode [2021-11-23 15:46:34,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:34,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:34,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:34,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:34,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:34" (1/1) ... [2021-11-23 15:46:34,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:34" (1/1) ... [2021-11-23 15:46:34,540 INFO L137 Inliner]: procedures = 27, calls = 16, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2021-11-23 15:46:34,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:34,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:34,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:34,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:34,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:34" (1/1) ... [2021-11-23 15:46:34,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:34" (1/1) ... [2021-11-23 15:46:34,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:34" (1/1) ... [2021-11-23 15:46:34,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:34" (1/1) ... [2021-11-23 15:46:34,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:34" (1/1) ... [2021-11-23 15:46:34,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:34" (1/1) ... [2021-11-23 15:46:34,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:34" (1/1) ... [2021-11-23 15:46:34,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:34,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:34,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:34,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:34,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:34" (1/1) ... [2021-11-23 15:46:34,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:34,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:34,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:34,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:46:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:34,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:46:34,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:46:34,729 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:34,731 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:34,915 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:46:34,935 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 15:46:34,940 INFO L158 Benchmark]: Toolchain (without parser) took 716.56ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 58.5MB in the end (delta: 4.6MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2021-11-23 15:46:34,941 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory was 68.7MB in the beginning and 68.7MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:34,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.70ms. Allocated memory is still 98.6MB. Free memory was 62.7MB in the beginning and 72.6MB in the end (delta: -9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:46:34,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.59ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 71.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:34,944 INFO L158 Benchmark]: Boogie Preprocessor took 24.13ms. Allocated memory is still 98.6MB. Free memory was 71.1MB in the beginning and 69.8MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:46:34,945 INFO L158 Benchmark]: RCFGBuilder took 372.06ms. Allocated memory is still 98.6MB. Free memory was 69.4MB in the beginning and 58.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:46:34,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory was 68.7MB in the beginning and 68.7MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.70ms. Allocated memory is still 98.6MB. Free memory was 62.7MB in the beginning and 72.6MB in the end (delta: -9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.59ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 71.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.13ms. Allocated memory is still 98.6MB. Free memory was 71.1MB in the beginning and 69.8MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 372.06ms. Allocated memory is still 98.6MB. Free memory was 69.4MB in the beginning and 58.5MB in the end (delta: 10.9MB). 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 15:46:35,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/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 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_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/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_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_1_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/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_854020a5-a09b-4c84-aff1-6ba49918507d/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 8d5852a96a997fd819a9dfc3e184ca8c6360d14970e60ecfb10d610384c98f94 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:37,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:37,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:37,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:37,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:37,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:37,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:37,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:37,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:37,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:37,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:37,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:37,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:37,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:37,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:37,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:37,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:37,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:37,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:37,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:37,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:37,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:37,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:37,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:37,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:37,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:37,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:37,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:37,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:37,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:37,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:37,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:37,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:37,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:37,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:37,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:37,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:37,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:37,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:37,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:37,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:37,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:46:37,636 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:37,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:37,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:46:37,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:46:37,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:37,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:37,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:37,640 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:37,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:37,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:37,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:46:37,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:37,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:46:37,642 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:46:37,642 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:46:37,642 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:46:37,642 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:37,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:46:37,642 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:37,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:46:37,643 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:37,643 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:37,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:37,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:37,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:37,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:37,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:46:37,644 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:46:37,644 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:46:37,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:46:37,645 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:46:37,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:46:37,645 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_854020a5-a09b-4c84-aff1-6ba49918507d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d5852a96a997fd819a9dfc3e184ca8c6360d14970e60ecfb10d610384c98f94 [2021-11-23 15:46:38,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:38,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:38,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:38,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:38,100 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:38,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/gcd_4+newton_1_6.i [2021-11-23 15:46:38,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/data/3021ff7e4/9dba014275424e198a8d7c7ee6ab9381/FLAG8a73747cc [2021-11-23 15:46:38,707 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:38,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i [2021-11-23 15:46:38,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/data/3021ff7e4/9dba014275424e198a8d7c7ee6ab9381/FLAG8a73747cc [2021-11-23 15:46:39,035 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/data/3021ff7e4/9dba014275424e198a8d7c7ee6ab9381 [2021-11-23 15:46:39,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:39,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:39,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:39,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:39,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:39,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a1c7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39, skipping insertion in model container [2021-11-23 15:46:39,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:39,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:39,306 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_854020a5-a09b-4c84-aff1-6ba49918507d/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[1224,1237] [2021-11-23 15:46:39,356 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_854020a5-a09b-4c84-aff1-6ba49918507d/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[2806,2819] [2021-11-23 15:46:39,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:39,391 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:39,413 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_854020a5-a09b-4c84-aff1-6ba49918507d/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[1224,1237] [2021-11-23 15:46:39,446 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_854020a5-a09b-4c84-aff1-6ba49918507d/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[2806,2819] [2021-11-23 15:46:39,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:39,467 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:39,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39 WrapperNode [2021-11-23 15:46:39,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:39,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:39,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:39,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:39,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,533 INFO L137 Inliner]: procedures = 28, calls = 16, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2021-11-23 15:46:39,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:39,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:39,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:39,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:39,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:39,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:39,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:39,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:39,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:39,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:39,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:39,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:46:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:46:39,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:46:39,810 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:39,811 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:03,522 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:47:03,543 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 15:47:03,547 INFO L158 Benchmark]: Toolchain (without parser) took 24504.83ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 38.7MB in the end (delta: 9.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-11-23 15:47:03,548 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:03,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.85ms. Allocated memory is still 67.1MB. Free memory was 47.5MB in the beginning and 35.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:47:03,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.83ms. Allocated memory is still 67.1MB. Free memory was 35.8MB in the beginning and 34.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:03,551 INFO L158 Benchmark]: Boogie Preprocessor took 80.93ms. Allocated memory is still 67.1MB. Free memory was 34.0MB in the beginning and 50.0MB in the end (delta: -16.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-23 15:47:03,552 INFO L158 Benchmark]: RCFGBuilder took 23927.71ms. Allocated memory is still 67.1MB. Free memory was 49.8MB in the beginning and 38.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:47:03,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.85ms. Allocated memory is still 67.1MB. Free memory was 47.5MB in the beginning and 35.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.83ms. Allocated memory is still 67.1MB. Free memory was 35.8MB in the beginning and 34.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.93ms. Allocated memory is still 67.1MB. Free memory was 34.0MB in the beginning and 50.0MB in the end (delta: -16.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 23927.71ms. Allocated memory is still 67.1MB. Free memory was 49.8MB in the beginning and 38.7MB in the end (delta: 11.1MB). 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 15:47:03,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854020a5-a09b-4c84-aff1-6ba49918507d/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