./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_3_7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --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 61ffc5d3104f879fcd66a8ed550fe0d20a910c87b717c72a3dc729bb40cff29b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:57:27,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:57:27,678 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:57:27,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:57:27,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:57:27,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:57:27,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:57:27,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:57:27,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:57:27,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:57:27,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:57:27,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:57:27,703 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:57:27,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:57:27,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:57:27,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:57:27,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:57:27,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:57:27,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:57:27,704 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:57:27,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:57:27,704 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:57:27,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:57:27,704 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:57:27,704 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:57:27,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:57:27,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:57:27,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:57:27,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:57:27,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:57:27,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:57:27,705 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:57:27,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:57:27,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 61ffc5d3104f879fcd66a8ed550fe0d20a910c87b717c72a3dc729bb40cff29b [2024-12-06 05:57:27,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:57:27,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:57:27,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:57:27,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:57:27,915 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:57:27,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_3_7.i [2024-12-06 05:57:30,525 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/data/b755cdbe8/8e7f70f906454298b06d70654c544882/FLAGd22ae2d4e [2024-12-06 05:57:30,711 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:57:30,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/sv-benchmarks/c/combinations/gcd_1+newton_3_7.i [2024-12-06 05:57:30,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/data/b755cdbe8/8e7f70f906454298b06d70654c544882/FLAGd22ae2d4e [2024-12-06 05:57:31,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/data/b755cdbe8/8e7f70f906454298b06d70654c544882 [2024-12-06 05:57:31,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:57:31,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:57:31,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:57:31,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:57:31,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:57:31,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a583f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:31, skipping insertion in model container [2024-12-06 05:57:31,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,110 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:57:31,246 WARN L250 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_ba71739e-560e-474e-8a60-bb1b86eb9d91/sv-benchmarks/c/combinations/gcd_1+newton_3_7.i[1226,1239] [2024-12-06 05:57:31,272 WARN L250 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_ba71739e-560e-474e-8a60-bb1b86eb9d91/sv-benchmarks/c/combinations/gcd_1+newton_3_7.i[2828,2841] [2024-12-06 05:57:31,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:57:31,282 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:57:31,293 WARN L250 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_ba71739e-560e-474e-8a60-bb1b86eb9d91/sv-benchmarks/c/combinations/gcd_1+newton_3_7.i[1226,1239] [2024-12-06 05:57:31,302 WARN L250 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_ba71739e-560e-474e-8a60-bb1b86eb9d91/sv-benchmarks/c/combinations/gcd_1+newton_3_7.i[2828,2841] [2024-12-06 05:57:31,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:57:31,317 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:57:31,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:31 WrapperNode [2024-12-06 05:57:31,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:57:31,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:57:31,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:57:31,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:57:31,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,346 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-12-06 05:57:31,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:57:31,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:57:31,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:57:31,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:57:31,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,360 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:57:31,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:57:31,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:57:31,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:57:31,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:57:31,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:57:31,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:57:31,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:57:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:57:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 05:57:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 05:57:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 05:57:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 05:57:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:57:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:57:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:57:31,488 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:57:31,490 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:57:31,667 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-06 05:57:31,667 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:57:31,718 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:57:31,719 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:57:31,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:57:31 BoogieIcfgContainer [2024-12-06 05:57:31,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:57:31,720 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:57:31,720 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:57:31,730 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:57:31,730 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:57:31" (1/1) ... [2024-12-06 05:57:31,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:57:31,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:31,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 05:57:31,788 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 05:57:31,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:57:31,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:31,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:57:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:32,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:57:32,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:32,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-12-06 05:57:32,057 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 05:57:32,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:57:32,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:32,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:57:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:32,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:57:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-12-06 05:57:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-06 05:57:32,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:57:32,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:32,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:57:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:57:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:57:34,520 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:57:34,523 INFO L158 Benchmark]: Toolchain (without parser) took 3431.18ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 87.8MB in the end (delta: 29.0MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-12-06 05:57:34,524 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:57:34,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.43ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 104.7MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:57:34,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.40ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.3MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:57:34,525 INFO L158 Benchmark]: Boogie Preprocessor took 20.43ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 102.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:57:34,525 INFO L158 Benchmark]: RCFGBuilder took 350.85ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 84.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:57:34,525 INFO L158 Benchmark]: CodeCheck took 2802.51ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 87.8MB in the end (delta: -3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:57:34,528 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.43ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 104.7MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.40ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.3MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.43ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 102.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 350.85ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 84.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2802.51ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 87.8MB in the end (delta: -3.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:57:34,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/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_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --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 61ffc5d3104f879fcd66a8ed550fe0d20a910c87b717c72a3dc729bb40cff29b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:57:36,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:57:36,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:57:36,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:57:36,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:57:36,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:57:36,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:57:36,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:57:36,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:57:36,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:57:36,601 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:57:36,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:57:36,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:57:36,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:57:36,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:57:36,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:57:36,602 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:57:36,602 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:57:36,603 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:57:36,603 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:57:36,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:57:36,603 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:57:36,603 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:57:36,603 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:57:36,603 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:57:36,603 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:57:36,603 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:36,603 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:57:36,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:57:36,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:57:36,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:57:36,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:57:36,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:57:36,604 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:57:36,604 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:57:36,604 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:57:36,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 61ffc5d3104f879fcd66a8ed550fe0d20a910c87b717c72a3dc729bb40cff29b [2024-12-06 05:57:36,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:57:36,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:57:36,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:57:36,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:57:36,852 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:57:36,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_3_7.i [2024-12-06 05:57:39,562 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/data/8ca9aa292/a8acaa460a5149a7b1d478c3e2127152/FLAG716c4a341 [2024-12-06 05:57:39,735 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:57:39,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/sv-benchmarks/c/combinations/gcd_1+newton_3_7.i [2024-12-06 05:57:39,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/data/8ca9aa292/a8acaa460a5149a7b1d478c3e2127152/FLAG716c4a341 [2024-12-06 05:57:39,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/data/8ca9aa292/a8acaa460a5149a7b1d478c3e2127152 [2024-12-06 05:57:39,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:57:39,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:57:39,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:57:39,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:57:39,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:57:39,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:57:39" (1/1) ... [2024-12-06 05:57:39,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12267cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:39, skipping insertion in model container [2024-12-06 05:57:39,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:57:39" (1/1) ... [2024-12-06 05:57:39,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:57:39,928 WARN L250 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_ba71739e-560e-474e-8a60-bb1b86eb9d91/sv-benchmarks/c/combinations/gcd_1+newton_3_7.i[1226,1239] [2024-12-06 05:57:39,955 WARN L250 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_ba71739e-560e-474e-8a60-bb1b86eb9d91/sv-benchmarks/c/combinations/gcd_1+newton_3_7.i[2828,2841] [2024-12-06 05:57:39,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:57:39,968 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:57:39,980 WARN L250 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_ba71739e-560e-474e-8a60-bb1b86eb9d91/sv-benchmarks/c/combinations/gcd_1+newton_3_7.i[1226,1239] [2024-12-06 05:57:39,990 WARN L250 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_ba71739e-560e-474e-8a60-bb1b86eb9d91/sv-benchmarks/c/combinations/gcd_1+newton_3_7.i[2828,2841] [2024-12-06 05:57:39,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:57:40,007 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:57:40,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:40 WrapperNode [2024-12-06 05:57:40,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:57:40,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:57:40,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:57:40,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:57:40,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:40" (1/1) ... [2024-12-06 05:57:40,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:40" (1/1) ... [2024-12-06 05:57:40,042 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 05:57:40,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:57:40,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:57:40,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:57:40,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:57:40,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:40" (1/1) ... [2024-12-06 05:57:40,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:40" (1/1) ... [2024-12-06 05:57:40,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:40" (1/1) ... [2024-12-06 05:57:40,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:40" (1/1) ... [2024-12-06 05:57:40,059 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:40" (1/1) ... [2024-12-06 05:57:40,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:40" (1/1) ... [2024-12-06 05:57:40,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:40" (1/1) ... [2024-12-06 05:57:40,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:40" (1/1) ... [2024-12-06 05:57:40,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:40" (1/1) ... [2024-12-06 05:57:40,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:57:40,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:57:40,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:57:40,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:57:40,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:40" (1/1) ... [2024-12-06 05:57:40,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:57:40,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:57:40,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:57:40,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:57:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:57:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:57:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 05:57:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 05:57:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 05:57:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 05:57:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:57:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:57:40,191 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:57:40,193 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:58:04,271 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 05:58:04,272 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:58:04,331 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:58:04,331 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:58:04,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:04 BoogieIcfgContainer [2024-12-06 05:58:04,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:58:04,332 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:58:04,333 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:58:04,341 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:58:04,342 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:04" (1/1) ... [2024-12-06 05:58:04,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:58:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:04,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 05:58:04,386 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 05:58:04,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:58:04,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:04,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:04,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:04,393 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:04,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:58:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:04,543 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:04,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:58:04,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:58:04,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:58:04,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:04,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-12-06 05:58:04,906 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 05:58:04,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:58:04,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:04,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:04,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:04,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:04,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:58:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:05,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:05,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:58:05,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:05,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:58:05,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:58:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:07,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-12-06 05:58:07,142 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-06 05:58:07,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:58:07,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:07,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:07,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:07,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:07,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:58:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:07,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:09,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:58:09,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:58:19,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:58:26,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:58:29,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:58:32,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:32,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 05:58:32,697 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 05:58:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:58:32,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:32,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:58:32,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:58:32,699 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:58:32,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:58:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:33,394 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:58:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:35,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:58:35,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:46,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:58:46,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:58:52,225 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 27 DAG size of output: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:59:05,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.98s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:59:08,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:59:11,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:59:13,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:59:15,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:59:16,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:59:16,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:16,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-12-06 05:59:16,760 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-12-06 05:59:16,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 05:59:16,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:16,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:59:16,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:59:16,762 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:59:16,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba71739e-560e-474e-8a60-bb1b86eb9d91/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process