./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c --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_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/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_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/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_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/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 cc6c31757d65ac3409144284524de01d782484107762f8e5c588ca3f4aed3437 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:10:01,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:10:01,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:10:01,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:10:01,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:10:01,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:10:01,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:10:01,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:10:01,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:10:01,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:10:01,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:10:01,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:10:01,482 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:10:01,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:10:01,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:10:01,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:10:01,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:10:01,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:10:01,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:10:01,482 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:10:01,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:10:01,482 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:10:01,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:10:01,483 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:10:01,483 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:10:01,483 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:10:01,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:10:01,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:10:01,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:10:01,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:10:01,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:10:01,483 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:10:01,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:10:01,483 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_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/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 -> cc6c31757d65ac3409144284524de01d782484107762f8e5c588ca3f4aed3437 [2024-12-05 23:10:01,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:10:01,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:10:01,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:10:01,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:10:01,731 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:10:01,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2024-12-05 23:10:04,397 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/data/3f2280a12/8b36c797df614a028ac981448a76f3aa/FLAG302685efe [2024-12-05 23:10:04,589 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:10:04,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2024-12-05 23:10:04,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/data/3f2280a12/8b36c797df614a028ac981448a76f3aa/FLAG302685efe [2024-12-05 23:10:04,610 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/data/3f2280a12/8b36c797df614a028ac981448a76f3aa [2024-12-05 23:10:04,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:10:04,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:10:04,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:10:04,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:10:04,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:10:04,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:04,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aaa4018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:04, skipping insertion in model container [2024-12-05 23:10:04,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:04,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:10:04,730 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_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c[538,551] [2024-12-05 23:10:04,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:10:04,749 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:10:04,757 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_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c[538,551] [2024-12-05 23:10:04,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:10:04,771 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:10:04,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:04 WrapperNode [2024-12-05 23:10:04,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:10:04,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:10:04,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:10:04,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:10:04,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:04,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:04,793 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-12-05 23:10:04,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:10:04,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:10:04,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:10:04,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:10:04,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:04,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:04,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:04,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:04,803 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:04,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:04,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:04,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:04,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:04,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:10:04,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:10:04,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:10:04,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:10:04,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:04,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:10:04,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:10:04,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:10:04,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:10:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:10:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:10:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:10:04,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:10:04,899 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:10:04,901 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:10:04,972 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-05 23:10:04,973 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:10:04,992 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:10:04,992 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:10:04,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:10:04 BoogieIcfgContainer [2024-12-05 23:10:04,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:10:04,993 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:10:04,993 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:10:05,000 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:10:05,001 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:10:04" (1/1) ... [2024-12-05 23:10:05,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:10:05,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:05,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 23:10:05,054 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 23:10:05,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:10:05,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:05,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:05,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:05,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-12-05 23:10:05,176 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-12-05 23:10:05,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:10:05,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:05,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:10:05,195 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:10:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:10:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:10:05,238 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:10:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:10:05,255 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 23:10:05,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:10:05 ImpRootNode [2024-12-05 23:10:05,270 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:10:05,271 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:10:05,271 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:10:05,271 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:10:05,272 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:10:04" (3/4) ... [2024-12-05 23:10:05,273 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:10:05,274 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:10:05,275 INFO L158 Benchmark]: Toolchain (without parser) took 661.17ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 80.4MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:10:05,275 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:10:05,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.04ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:10:05,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.22ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:10:05,276 INFO L158 Benchmark]: Boogie Preprocessor took 14.14ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.5MB in the end (delta: 801.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:10:05,276 INFO L158 Benchmark]: RCFGBuilder took 184.53ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 94.2MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:10:05,277 INFO L158 Benchmark]: CodeCheck took 276.96ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 80.6MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:10:05,277 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 80.4MB in the end (delta: 187.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:10:05,280 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 14]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 37, overapproximation of someBinaryArithmeticFLOAToperation at line 24, overapproximation of someBinaryArithmeticFLOAToperation at line 29. Possible FailurePath: [L20] float x = __VERIFIER_nondet_float() ; [L21] float exp = 1.0 ; [L22] float term = 1.0 ; [L23] unsigned int count = 1 ; [L24] float result = 2*(1/(1-x)) ; [L25] int temp ; VAL [count=1] [L29] term = term * (x/count) [L30] exp = exp + term [L31] count++ [L33] temp = __VERIFIER_nondet_int() [L34] COND TRUE temp ==0 VAL [count=2] [L37] CALL __VERIFIER_assert( result >= exp ) [L14] COND TRUE !(cond) [L14] reach_error() * 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 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 157.04ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.22ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.14ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.5MB in the end (delta: 801.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 184.53ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 94.2MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 276.96ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 80.6MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 2.91ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 80.4MB in the end (delta: 187.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:10:05,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/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_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/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_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/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_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/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 cc6c31757d65ac3409144284524de01d782484107762f8e5c588ca3f4aed3437 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:10:07,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:10:07,252 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:10:07,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:10:07,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:10:07,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:10:07,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:10:07,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:10:07,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:10:07,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:10:07,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:10:07,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:10:07,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:10:07,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:10:07,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:10:07,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:10:07,278 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:10:07,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:10:07,278 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:10:07,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:10:07,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:10:07,279 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:10:07,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:10:07,279 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:10:07,279 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:10:07,279 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:10:07,279 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:10:07,279 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:10:07,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:10:07,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:10:07,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:10:07,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:10:07,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:10:07,280 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:10:07,280 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:10:07,280 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:10:07,280 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_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/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 -> cc6c31757d65ac3409144284524de01d782484107762f8e5c588ca3f4aed3437 [2024-12-05 23:10:07,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:10:07,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:10:07,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:10:07,508 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:10:07,509 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:10:07,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2024-12-05 23:10:10,179 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/data/572a18b72/e4e8377d1f05438c89f849e1669b4585/FLAGff368ad9f [2024-12-05 23:10:10,338 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:10:10,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2024-12-05 23:10:10,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/data/572a18b72/e4e8377d1f05438c89f849e1669b4585/FLAGff368ad9f [2024-12-05 23:10:10,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/data/572a18b72/e4e8377d1f05438c89f849e1669b4585 [2024-12-05 23:10:10,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:10:10,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:10:10,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:10:10,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:10:10,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:10:10,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:10:10" (1/1) ... [2024-12-05 23:10:10,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48778972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:10, skipping insertion in model container [2024-12-05 23:10:10,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:10:10" (1/1) ... [2024-12-05 23:10:10,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:10:10,519 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_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c[538,551] [2024-12-05 23:10:10,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:10:10,546 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:10:10,557 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_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c[538,551] [2024-12-05 23:10:10,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:10:10,576 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:10:10,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:10 WrapperNode [2024-12-05 23:10:10,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:10:10,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:10:10,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:10:10,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:10:10,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:10" (1/1) ... [2024-12-05 23:10:10,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:10" (1/1) ... [2024-12-05 23:10:10,604 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-12-05 23:10:10,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:10:10,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:10:10,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:10:10,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:10:10,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:10" (1/1) ... [2024-12-05 23:10:10,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:10" (1/1) ... [2024-12-05 23:10:10,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:10" (1/1) ... [2024-12-05 23:10:10,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:10" (1/1) ... [2024-12-05 23:10:10,619 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:10" (1/1) ... [2024-12-05 23:10:10,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:10" (1/1) ... [2024-12-05 23:10:10,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:10" (1/1) ... [2024-12-05 23:10:10,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:10" (1/1) ... [2024-12-05 23:10:10,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:10" (1/1) ... [2024-12-05 23:10:10,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:10:10,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:10:10,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:10:10,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:10:10,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:10" (1/1) ... [2024-12-05 23:10:10,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:10:10,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:10:10,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:10:10,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:10:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:10:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:10:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:10:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:10:10,728 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:10:10,730 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:10:17,037 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-05 23:10:17,037 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:10:17,064 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:10:17,064 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:10:17,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:10:17 BoogieIcfgContainer [2024-12-05 23:10:17,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:10:17,065 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:10:17,065 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:10:17,074 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:10:17,074 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:10:17" (1/1) ... [2024-12-05 23:10:17,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:10:17,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:17,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 23:10:17,127 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 23:10:17,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:10:17,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:17,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:10:17,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:10:17,132 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:10:17,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:10:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:17,225 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:10:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:17,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:10:17,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:17,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:10:18,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:10:18,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-12-05 23:10:18,442 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-12-05 23:10:18,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:10:18,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:18,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:10:18,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:10:18,444 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:10:18,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8f86d1-05ff-45b9-b583-cb81edd6ca93/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:10:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:10:19,035 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:10:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat