./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm --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 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:15:38,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:15:38,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:15:38,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:15:38,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:15:38,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:15:38,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:15:38,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:15:38,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:15:38,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:15:38,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:15:38,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:15:38,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:15:38,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:15:38,228 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:15:38,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:15:38,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:15:38,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:15:38,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:15:38,228 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:15:38,228 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:15:38,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:15:38,228 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:15:38,229 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:15:38,229 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:15:38,229 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:15:38,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:15:38,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:38,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:15:38,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:15:38,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:15:38,229 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:15:38,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:15:38,230 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_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm 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 -> 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d [2024-11-13 21:15:38,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:15:38,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:15:38,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:15:38,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:15:38,552 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:15:38,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i Unable to find full path for "g++" [2024-11-13 21:15:40,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:15:40,870 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:15:40,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i [2024-11-13 21:15:40,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/data/06282eb0e/70e6ed094f2940eca29ca116ecb68661/FLAGb5aa08a74 [2024-11-13 21:15:40,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/data/06282eb0e/70e6ed094f2940eca29ca116ecb68661 [2024-11-13 21:15:40,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:15:40,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:15:40,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:40,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:15:40,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:15:40,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:40" (1/1) ... [2024-11-13 21:15:40,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@655c7238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:40, skipping insertion in model container [2024-11-13 21:15:40,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:40" (1/1) ... [2024-11-13 21:15:40,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:15:41,533 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_8ca97b12-058c-4ab7-b42e-75918ce7902c/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2024-11-13 21:15:41,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:41,565 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:15:41,601 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_8ca97b12-058c-4ab7-b42e-75918ce7902c/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2024-11-13 21:15:41,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:41,727 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:15:41,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:41 WrapperNode [2024-11-13 21:15:41,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:41,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:41,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:15:41,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:15:41,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:41" (1/1) ... [2024-11-13 21:15:41,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:41" (1/1) ... [2024-11-13 21:15:41,790 INFO L138 Inliner]: procedures = 452, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 72 [2024-11-13 21:15:41,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:41,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:15:41,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:15:41,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:15:41,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:41" (1/1) ... [2024-11-13 21:15:41,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:41" (1/1) ... [2024-11-13 21:15:41,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:41" (1/1) ... [2024-11-13 21:15:41,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:41" (1/1) ... [2024-11-13 21:15:41,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:41" (1/1) ... [2024-11-13 21:15:41,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:41" (1/1) ... [2024-11-13 21:15:41,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:41" (1/1) ... [2024-11-13 21:15:41,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:41" (1/1) ... [2024-11-13 21:15:41,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:15:41,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:15:41,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:15:41,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:15:41,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:41" (1/1) ... [2024-11-13 21:15:41,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:41,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:15:41,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:15:41,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:15:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:15:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:15:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:15:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:15:42,004 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:15:42,006 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:15:42,135 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 21:15:42,136 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:15:42,190 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:15:42,190 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:15:42,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:42 BoogieIcfgContainer [2024-11-13 21:15:42,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:15:42,191 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:15:42,191 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:15:42,202 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:15:42,202 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:42" (1/1) ... [2024-11-13 21:15:42,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:15:42,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 21:15:42,262 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 21:15:42,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:15:42,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:42,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:15:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:15:42,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:42,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-13 21:15:42,440 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-13 21:15:42,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:15:42,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:42,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:15:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:42,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:15:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:42,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:15:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:42,654 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:15:42,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:15:42 ImpRootNode [2024-11-13 21:15:42,696 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:15:42,697 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:15:42,697 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:15:42,697 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:15:42,699 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:42" (3/4) ... [2024-11-13 21:15:42,701 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:15:42,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:15:42,703 INFO L158 Benchmark]: Toolchain (without parser) took 1787.22ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 53.3MB in the end (delta: 29.3MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-11-13 21:15:42,703 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:42,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 809.90ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 38.2MB in the end (delta: 43.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:15:42,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.41ms. Allocated memory is still 109.1MB. Free memory was 38.2MB in the beginning and 83.1MB in the end (delta: -44.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-11-13 21:15:42,705 INFO L158 Benchmark]: Boogie Preprocessor took 28.95ms. Allocated memory is still 109.1MB. Free memory was 83.1MB in the beginning and 82.5MB in the end (delta: 623.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:42,705 INFO L158 Benchmark]: RCFGBuilder took 369.67ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 69.5MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:15:42,705 INFO L158 Benchmark]: CodeCheck took 505.06ms. Allocated memory is still 109.1MB. Free memory was 69.5MB in the beginning and 53.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:15:42,710 INFO L158 Benchmark]: Witness Printer took 5.31ms. Allocated memory is still 109.1MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:42,712 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: 0.4s, 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, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 3 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 - UnprovableResult [Line: 988]: 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 someBinaryArithmeticDOUBLEoperation at line 1023, overapproximation of someBinaryArithmeticDOUBLEoperation at line 998, overapproximation of someBinaryDOUBLEComparisonOperation at line 997, overapproximation of someBinaryArithmeticFLOAToperation at line 1005, overapproximation of someBinaryArithmeticFLOAToperation at line 1011. Possible FailurePath: [L990] float pi = 3.14159 ; [L1009] int x ; [L1010] float angleInRadian ; [L1011] float phaseLag = pi/2, phaseLead=pi ; [L1012] double sum1=0.0, sum2 = 0.0 ; [L1013] int temp; [L1014] double count=0.0 ; VAL [pi=314159/100000, sum1=0, sum2=0] [L1018] COND TRUE 1 [L1020] x = __VERIFIER_nondet_int() [L1021] CALL assume_abort_if_not(x > -180 && x < 180) [L986] COND FALSE !(!cond) [L1021] RET assume_abort_if_not(x > -180 && x < 180) [L1022] CALL, EXPR radianMeasure(x) [L1005] return (degrees * (pi/180)) ; [L1022] RET, EXPR radianMeasure(x) [L1022] angleInRadian = radianMeasure(x) [L1023] sum2 = sum2 + sin(angleInRadian+2*phaseLead) [L1024] sum1 = sum1 + cos(angleInRadian+phaseLag) [L1026] temp = __VERIFIER_nondet_int() [L1027] count++ VAL [pi=314159/100000, temp=0] [L1028] COND TRUE temp == 0 VAL [pi=314159/100000] [L1031] CALL, EXPR diff(sum1,sum2) [L997] COND TRUE x1 > x2 [L998] return (x1-x2) ; [L1031] RET, EXPR diff(sum1,sum2) [L1031] CALL __VERIFIER_assert(diff(sum1,sum2) <= count) [L988] COND TRUE !(cond) VAL [pi=314159/100000] [L988] reach_error() VAL [pi=314159/100000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 809.90ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 38.2MB in the end (delta: 43.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.41ms. Allocated memory is still 109.1MB. Free memory was 38.2MB in the beginning and 83.1MB in the end (delta: -44.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.95ms. Allocated memory is still 109.1MB. Free memory was 83.1MB in the beginning and 82.5MB in the end (delta: 623.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 369.67ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 69.5MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 505.06ms. Allocated memory is still 109.1MB. Free memory was 69.5MB in the beginning and 53.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.31ms. Allocated memory is still 109.1MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:15:42,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/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_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm --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 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:15:45,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:15:45,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:15:45,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:15:45,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:15:45,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:15:45,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:15:45,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:15:45,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:15:45,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:15:45,725 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:15:45,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:15:45,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:15:45,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:15:45,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:15:45,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:15:45,725 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:15:45,725 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:15:45,725 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:15:45,725 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:15:45,726 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:15:45,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:15:45,726 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:15:45,726 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:15:45,726 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:15:45,726 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:15:45,726 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:45,726 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:15:45,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:15:45,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:45,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:15:45,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:15:45,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:15:45,727 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:15:45,727 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:45,727 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:15:45,727 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_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm 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 -> 93ae7f4320aeb5eadc7d42fef8f73afe8e6e658ec54f48f9ad9874df5186017d [2024-11-13 21:15:46,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:15:46,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:15:46,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:15:46,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:15:46,088 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:15:46,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-floats-scientific-comp/loop4.i Unable to find full path for "g++" [2024-11-13 21:15:48,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:15:48,461 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:15:48,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i [2024-11-13 21:15:48,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/data/9ac9d219d/e716ca43afbd45979fd1cbfae93c5e22/FLAG5b0bf51b1 [2024-11-13 21:15:48,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/data/9ac9d219d/e716ca43afbd45979fd1cbfae93c5e22 [2024-11-13 21:15:48,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:15:48,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:15:48,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:48,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:15:48,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:15:48,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:48" (1/1) ... [2024-11-13 21:15:48,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e29aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:48, skipping insertion in model container [2024-11-13 21:15:48,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:48" (1/1) ... [2024-11-13 21:15:48,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:15:49,387 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_8ca97b12-058c-4ab7-b42e-75918ce7902c/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2024-11-13 21:15:49,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:49,436 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:15:49,508 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_8ca97b12-058c-4ab7-b42e-75918ce7902c/sv-benchmarks/c/loop-floats-scientific-comp/loop4.i[40784,40797] [2024-11-13 21:15:49,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:49,748 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:15:49,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:49 WrapperNode [2024-11-13 21:15:49,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:49,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:49,751 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:15:49,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:15:49,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:49" (1/1) ... [2024-11-13 21:15:49,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:49" (1/1) ... [2024-11-13 21:15:49,830 INFO L138 Inliner]: procedures = 453, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 71 [2024-11-13 21:15:49,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:49,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:15:49,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:15:49,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:15:49,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:49" (1/1) ... [2024-11-13 21:15:49,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:49" (1/1) ... [2024-11-13 21:15:49,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:49" (1/1) ... [2024-11-13 21:15:49,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:49" (1/1) ... [2024-11-13 21:15:49,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:49" (1/1) ... [2024-11-13 21:15:49,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:49" (1/1) ... [2024-11-13 21:15:49,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:49" (1/1) ... [2024-11-13 21:15:49,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:49" (1/1) ... [2024-11-13 21:15:49,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:15:49,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:15:49,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:15:49,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:15:49,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:49" (1/1) ... [2024-11-13 21:15:49,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:49,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:15:49,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:15:49,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:15:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:15:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:15:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:15:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:15:50,064 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:15:50,067 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:15:55,965 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 21:15:55,966 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:15:56,034 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:15:56,034 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:15:56,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:56 BoogieIcfgContainer [2024-11-13 21:15:56,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:15:56,035 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:15:56,035 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:15:56,045 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:15:56,045 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:56" (1/1) ... [2024-11-13 21:15:56,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:15:56,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:56,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 21:15:56,098 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 21:15:56,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:15:56,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:56,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:56,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:15:56,103 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:15:56,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:15:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:56,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:15:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:56,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:15:56,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:15:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:15:56,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:15:57,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:58,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:58,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-13 21:15:58,394 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-13 21:15:58,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:15:58,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:58,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:58,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:15:58,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:15:58,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca97b12-058c-4ab7-b42e-75918ce7902c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:15:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:59,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:16:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat