./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.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_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/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_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/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_509367a7-6d74-4abf-99e9-43c25b3a5f62/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 acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:45:02,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:45:02,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:45:02,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:45:02,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:45:02,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:45:02,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:45:02,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:45:02,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:45:02,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:45:02,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:45:02,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:45:02,156 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:45:02,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:45:02,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:45:02,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:45:02,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:45:02,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:45:02,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:45:02,158 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:45:02,158 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:45:02,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:45:02,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:45:02,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:45:02,159 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:45:02,159 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:45:02,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:45:02,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:45:02,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:45:02,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:45:02,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:45:02,160 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:45:02,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:45:02,160 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_509367a7-6d74-4abf-99e9-43c25b3a5f62/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 -> acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 [2024-11-13 22:45:02,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:45:02,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:45:02,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:45:02,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:45:02,469 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:45:02,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c Unable to find full path for "g++" [2024-11-13 22:45:04,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:45:04,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:45:04,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-11-13 22:45:04,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/data/ff8e8ffd7/5648635cd92a4e3791f5dd5a64c8e122/FLAG4892fa014 [2024-11-13 22:45:04,872 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/data/ff8e8ffd7/5648635cd92a4e3791f5dd5a64c8e122 [2024-11-13 22:45:04,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:45:04,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:45:04,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:45:04,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:45:04,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:45:04,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:04" (1/1) ... [2024-11-13 22:45:04,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0805b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:04, skipping insertion in model container [2024-11-13 22:45:04,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:04" (1/1) ... [2024-11-13 22:45:04,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:45:05,076 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_509367a7-6d74-4abf-99e9-43c25b3a5f62/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c[709,722] [2024-11-13 22:45:05,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:45:05,108 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:45:05,119 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_509367a7-6d74-4abf-99e9-43c25b3a5f62/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c[709,722] [2024-11-13 22:45:05,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:45:05,143 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:45:05,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:05 WrapperNode [2024-11-13 22:45:05,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:45:05,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:45:05,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:45:05,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:45:05,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:05" (1/1) ... [2024-11-13 22:45:05,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:05" (1/1) ... [2024-11-13 22:45:05,176 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-11-13 22:45:05,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:45:05,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:45:05,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:45:05,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:45:05,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:05" (1/1) ... [2024-11-13 22:45:05,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:05" (1/1) ... [2024-11-13 22:45:05,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:05" (1/1) ... [2024-11-13 22:45:05,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:05" (1/1) ... [2024-11-13 22:45:05,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:05" (1/1) ... [2024-11-13 22:45:05,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:05" (1/1) ... [2024-11-13 22:45:05,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:05" (1/1) ... [2024-11-13 22:45:05,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:05" (1/1) ... [2024-11-13 22:45:05,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:45:05,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:45:05,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:45:05,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:45:05,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:05" (1/1) ... [2024-11-13 22:45:05,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:45:05,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:45:05,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:45:05,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:45:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:45:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:45:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:45:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:45:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:45:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:45:05,351 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:45:05,353 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:45:05,514 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 22:45:05,514 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:45:05,556 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:45:05,556 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:45:05,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:05 BoogieIcfgContainer [2024-11-13 22:45:05,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:45:05,557 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:45:05,557 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:45:05,567 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:45:05,568 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:05" (1/1) ... [2024-11-13 22:45:05,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:45:05,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:45:05,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-13 22:45:05,648 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-13 22:45:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:45:05,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:45:05,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:45:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:45:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:05,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:45:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:05,794 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:45:05,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:45:05 ImpRootNode [2024-11-13 22:45:05,819 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:45:05,820 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:45:05,820 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:45:05,820 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:45:05,820 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:05" (3/4) ... [2024-11-13 22:45:05,822 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:45:05,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:45:05,824 INFO L158 Benchmark]: Toolchain (without parser) took 945.13ms. Allocated memory is still 142.6MB. Free memory was 119.7MB in the beginning and 83.6MB in the end (delta: 36.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:45:05,824 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:05,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.14ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 108.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:45:05,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.15ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:05,825 INFO L158 Benchmark]: Boogie Preprocessor took 22.72ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 794.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:05,826 INFO L158 Benchmark]: RCFGBuilder took 356.64ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 93.9MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:45:05,826 INFO L158 Benchmark]: CodeCheck took 261.90ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 83.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:45:05,827 INFO L158 Benchmark]: Witness Printer took 3.42ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:05,829 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<=50) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=50) [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 0.40ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.14ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 108.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.15ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.72ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 794.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 356.64ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 93.9MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 261.90ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 83.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.42ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. 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 22:45:05,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/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_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/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_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/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_509367a7-6d74-4abf-99e9-43c25b3a5f62/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 acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:45:08,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:45:08,784 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:45:08,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:45:08,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:45:08,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:45:08,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:45:08,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:45:08,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:45:08,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:45:08,836 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:45:08,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:45:08,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:45:08,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:45:08,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:45:08,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:45:08,838 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:45:08,838 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:45:08,838 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:45:08,839 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:45:08,839 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:45:08,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:45:08,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:45:08,839 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:45:08,839 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:45:08,839 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:45:08,839 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:45:08,840 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:45:08,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:45:08,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:45:08,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:45:08,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:45:08,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:45:08,841 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:45:08,841 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:45:08,841 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:45:08,841 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_509367a7-6d74-4abf-99e9-43c25b3a5f62/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 -> acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 [2024-11-13 22:45:09,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:45:09,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:45:09,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:45:09,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:45:09,187 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:45:09,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c Unable to find full path for "g++" [2024-11-13 22:45:11,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:45:11,588 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:45:11,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-11-13 22:45:11,595 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/data/8d583ee88/d8ecc86ccfe4406b891fd76b2be9d099/FLAGdd04608bd [2024-11-13 22:45:11,955 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/data/8d583ee88/d8ecc86ccfe4406b891fd76b2be9d099 [2024-11-13 22:45:11,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:45:11,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:45:11,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:45:11,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:45:11,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:45:11,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:11" (1/1) ... [2024-11-13 22:45:11,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1815cfc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:11, skipping insertion in model container [2024-11-13 22:45:11,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:11" (1/1) ... [2024-11-13 22:45:11,978 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:45:12,143 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_509367a7-6d74-4abf-99e9-43c25b3a5f62/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c[709,722] [2024-11-13 22:45:12,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:45:12,198 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:45:12,213 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_509367a7-6d74-4abf-99e9-43c25b3a5f62/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c[709,722] [2024-11-13 22:45:12,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:45:12,255 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:45:12,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:12 WrapperNode [2024-11-13 22:45:12,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:45:12,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:45:12,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:45:12,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:45:12,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:12" (1/1) ... [2024-11-13 22:45:12,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:12" (1/1) ... [2024-11-13 22:45:12,300 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-11-13 22:45:12,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:45:12,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:45:12,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:45:12,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:45:12,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:12" (1/1) ... [2024-11-13 22:45:12,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:12" (1/1) ... [2024-11-13 22:45:12,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:12" (1/1) ... [2024-11-13 22:45:12,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:12" (1/1) ... [2024-11-13 22:45:12,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:12" (1/1) ... [2024-11-13 22:45:12,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:12" (1/1) ... [2024-11-13 22:45:12,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:12" (1/1) ... [2024-11-13 22:45:12,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:12" (1/1) ... [2024-11-13 22:45:12,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:45:12,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:45:12,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:45:12,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:45:12,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:12" (1/1) ... [2024-11-13 22:45:12,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:45:12,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:45:12,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:45:12,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:45:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:45:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:45:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:45:12,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:45:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:45:12,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:45:12,517 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:45:12,519 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:45:15,401 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 22:45:15,401 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:45:15,476 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:45:15,476 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:45:15,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:15 BoogieIcfgContainer [2024-11-13 22:45:15,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:45:15,478 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:45:15,478 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:45:15,490 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:45:15,490 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:15" (1/1) ... [2024-11-13 22:45:15,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:45:15,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:45:15,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-13 22:45:15,560 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-13 22:45:15,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:45:15,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:45:15,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:45:15,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:45:15,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:45:15,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:45:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:45:15,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:45:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:45:15,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:45:15,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:45:16,269 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 22:45:16,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:45:18,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:45:21,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:45:26,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:45:36,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:45:46,851 WARN L539 Checker$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 22:45:53,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:46:03,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:46:13,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:46:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:46:14,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2024-11-13 22:46:14,798 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2024-11-13 22:46:14,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:46:14,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:46:14,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:46:14,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:46:14,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:46:14,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:46:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:15,364 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:46:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:23,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:46:23,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:46:26,215 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 22:46:26,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:46:29,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:46:31,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:46:38,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:46:41,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:46:51,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:47:01,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:47:06,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:47:17,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:47:27,055 WARN L539 Checker$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 22:47:40,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:47:50,905 WARN L539 Checker$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 22:47:55,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:05,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:15,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:24,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.32s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:27,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:28,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:33,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:37,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:42,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:44,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:48:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 28 states and 59 transitions. [2024-11-13 22:48:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 59 transitions. [2024-11-13 22:48:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:48:44,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:48:44,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:48:44,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:48:44,421 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:48:44,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509367a7-6d74-4abf-99e9-43c25b3a5f62/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:49:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:31,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:50:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat