./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c --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_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/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_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/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_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/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 644fedc149cdfea0c0b39babfd09647f4fb573c27a060d8d57a08553303664a9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:13:52,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:13:52,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:13:52,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:13:52,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:13:52,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:13:52,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:13:52,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:13:52,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:13:52,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:13:52,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:13:52,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:13:52,099 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:13:52,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:13:52,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:13:52,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:13:52,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:13:52,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:13:52,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:13:52,100 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:13:52,100 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:13:52,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:13:52,100 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:13:52,100 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:13:52,100 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:13:52,101 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:13:52,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:13:52,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:52,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:13:52,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:13:52,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:13:52,101 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:13:52,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:13:52,101 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_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/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 -> 644fedc149cdfea0c0b39babfd09647f4fb573c27a060d8d57a08553303664a9 [2024-11-13 21:13:52,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:13:52,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:13:52,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:13:52,428 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:13:52,429 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:13:52,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c Unable to find full path for "g++" [2024-11-13 21:13:54,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:13:54,596 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:13:54,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c [2024-11-13 21:13:54,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/data/5afe39253/2c74e9d83b9e45409a57dffa6c8ca255/FLAG37f2d54ff [2024-11-13 21:13:54,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/data/5afe39253/2c74e9d83b9e45409a57dffa6c8ca255 [2024-11-13 21:13:54,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:13:54,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:13:54,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:54,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:13:54,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:13:54,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:13:54" (1/1) ... [2024-11-13 21:13:54,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6520723f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:54, skipping insertion in model container [2024-11-13 21:13:54,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:13:54" (1/1) ... [2024-11-13 21:13:54,662 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:13:54,839 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_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c[709,722] [2024-11-13 21:13:54,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:54,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:13:54,900 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_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c[709,722] [2024-11-13 21:13:54,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:54,938 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:13:54,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:54 WrapperNode [2024-11-13 21:13:54,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:54,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:54,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:13:54,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:13:54,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:54" (1/1) ... [2024-11-13 21:13:54,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:54" (1/1) ... [2024-11-13 21:13:54,982 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-11-13 21:13:54,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:54,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:13:54,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:13:54,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:13:54,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:54" (1/1) ... [2024-11-13 21:13:54,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:54" (1/1) ... [2024-11-13 21:13:54,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:54" (1/1) ... [2024-11-13 21:13:54,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:54" (1/1) ... [2024-11-13 21:13:54,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:54" (1/1) ... [2024-11-13 21:13:55,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:54" (1/1) ... [2024-11-13 21:13:55,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:54" (1/1) ... [2024-11-13 21:13:55,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:54" (1/1) ... [2024-11-13 21:13:55,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:13:55,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:13:55,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:13:55,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:13:55,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:54" (1/1) ... [2024-11-13 21:13:55,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:55,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:13:55,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:13:55,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:13:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:13:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:13:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:13:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:13:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:13:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:13:55,150 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:13:55,152 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:13:55,281 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 21:13:55,281 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:13:55,329 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:13:55,333 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:13:55,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:55 BoogieIcfgContainer [2024-11-13 21:13:55,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:13:55,334 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:13:55,334 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:13:55,344 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:13:55,345 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:55" (1/1) ... [2024-11-13 21:13:55,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:13:55,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:55,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-13 21:13:55,415 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-13 21:13:55,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:13:55,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:55,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:13:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:55,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:13:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:55,608 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:13:55,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:13:55 ImpRootNode [2024-11-13 21:13:55,637 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:13:55,638 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:13:55,638 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:13:55,638 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:13:55,638 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:55" (3/4) ... [2024-11-13 21:13:55,641 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:13:55,642 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:13:55,643 INFO L158 Benchmark]: Toolchain (without parser) took 1001.90ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 57.7MB in the end (delta: 35.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:13:55,643 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 74.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:55,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.79ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 81.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:55,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.84ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:55,644 INFO L158 Benchmark]: Boogie Preprocessor took 34.18ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.8MB in the end (delta: 638.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:55,645 INFO L158 Benchmark]: RCFGBuilder took 315.76ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 67.9MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:55,645 INFO L158 Benchmark]: CodeCheck took 303.10ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 57.7MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:55,645 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 117.4MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:55,648 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 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 19]: 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 to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=5) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=5) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [r=1] [L33] COND TRUE 1 VAL [r=1] [L34] CALL __VERIFIER_assert((int)(4*s) - 12*r*r == 1) VAL [\old(cond)=0] [L17] COND TRUE !(cond) VAL [\old(cond)=0] [L19] reach_error() VAL [\old(cond)=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 74.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.79ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 81.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.84ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.18ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.8MB in the end (delta: 638.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 315.76ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 67.9MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 303.10ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 57.7MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 117.4MB. Free memory is still 57.7MB. 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 21:13:55,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/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_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/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_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/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_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/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 644fedc149cdfea0c0b39babfd09647f4fb573c27a060d8d57a08553303664a9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:13:58,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:13:58,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:13:58,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:13:58,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:13:58,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:13:58,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:13:58,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:13:58,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:13:58,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:13:58,423 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:13:58,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:13:58,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:13:58,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:13:58,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:13:58,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:13:58,423 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:13:58,423 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:13:58,423 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:13:58,423 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:13:58,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:13:58,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:13:58,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:13:58,424 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:13:58,424 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:13:58,424 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:13:58,424 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:58,424 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:13:58,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:13:58,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:58,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:13:58,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:13:58,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:13:58,426 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:13:58,427 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:58,427 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:13:58,427 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_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/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 -> 644fedc149cdfea0c0b39babfd09647f4fb573c27a060d8d57a08553303664a9 [2024-11-13 21:13:58,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:13:58,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:13:58,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:13:58,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:13:58,754 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:13:58,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c Unable to find full path for "g++" [2024-11-13 21:14:00,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:14:00,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:14:00,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c [2024-11-13 21:14:00,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/data/fa0749f15/88c060f2f767425aa0b2fb495d10c35c/FLAG587577fde [2024-11-13 21:14:00,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/data/fa0749f15/88c060f2f767425aa0b2fb495d10c35c [2024-11-13 21:14:00,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:14:00,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:14:00,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:14:00,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:14:01,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:14:01,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:14:00" (1/1) ... [2024-11-13 21:14:01,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50937029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:01, skipping insertion in model container [2024-11-13 21:14:01,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:14:00" (1/1) ... [2024-11-13 21:14:01,022 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:14:01,191 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_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c[709,722] [2024-11-13 21:14:01,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:14:01,242 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:14:01,255 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_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c[709,722] [2024-11-13 21:14:01,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:14:01,296 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:14:01,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:01 WrapperNode [2024-11-13 21:14:01,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:14:01,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:14:01,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:14:01,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:14:01,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:01" (1/1) ... [2024-11-13 21:14:01,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:01" (1/1) ... [2024-11-13 21:14:01,339 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-11-13 21:14:01,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:14:01,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:14:01,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:14:01,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:14:01,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:01" (1/1) ... [2024-11-13 21:14:01,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:01" (1/1) ... [2024-11-13 21:14:01,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:01" (1/1) ... [2024-11-13 21:14:01,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:01" (1/1) ... [2024-11-13 21:14:01,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:01" (1/1) ... [2024-11-13 21:14:01,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:01" (1/1) ... [2024-11-13 21:14:01,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:01" (1/1) ... [2024-11-13 21:14:01,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:01" (1/1) ... [2024-11-13 21:14:01,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:14:01,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:14:01,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:14:01,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:14:01,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:14:01" (1/1) ... [2024-11-13 21:14:01,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:14:01,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:14:01,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:14:01,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:14:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:14:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:14:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:14:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:14:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:14:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:14:01,514 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:14:01,516 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:14:03,472 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:14:03,472 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:14:03,541 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:14:03,541 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:14:03,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:14:03 BoogieIcfgContainer [2024-11-13 21:14:03,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:14:03,543 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:14:03,543 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:14:03,553 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:14:03,553 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:14:03" (1/1) ... [2024-11-13 21:14:03,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:14:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-13 21:14:03,616 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-13 21:14:03,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:14:03,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:03,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:14:03,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:14:03,621 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:14:03,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:14:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:03,770 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:14:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:03,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:14:03,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:14:04,264 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 21:14:04,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:14:05,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:09,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:13,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:24,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:34,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:36,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:47,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:57,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:14:58,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:58,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2024-11-13 21:14:58,165 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2024-11-13 21:14:58,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:14:58,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:58,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:14:58,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:14:58,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:14:58,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:14:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:58,875 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:15:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:15:05,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:15:05,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:15:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:15:08,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:15:10,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:12,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:16,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:23,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:33,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:43,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:15:51,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:02,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:12,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:20,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.57s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:31,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:41,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:48,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.79s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:58,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:08,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:18,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.21s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:26,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.92s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:28,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:31,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:31,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 28 states and 59 transitions. [2024-11-13 21:17:31,965 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 59 transitions. [2024-11-13 21:17:31,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:17:31,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:31,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:31,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:31,969 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:31,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2fe829a-d5e9-4228-b0be-e69f1fd8ea18/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:18:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:44,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:20:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat