./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3 --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-d790fec [2024-11-25 04:22:06,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:22:06,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:22:06,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:22:06,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:22:06,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:22:06,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:22:06,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:22:06,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:22:06,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:22:06,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:22:06,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:22:06,146 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:22:06,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:22:06,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:22:06,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:22:06,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:22:06,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:22:06,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:22:06,147 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:22:06,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:22:06,148 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:22:06,148 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:22:06,148 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:22:06,148 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:22:06,148 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:22:06,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:22:06,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:22:06,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:22:06,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:22:06,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:22:06,149 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:22:06,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:22:06,150 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_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 04:22:06,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:22:06,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:22:06,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:22:06,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:22:06,427 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:22:06,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-11-25 04:22:09,355 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/data/4362c15ff/da2695d6583748d6965f7e775c117b18/FLAG8f37d98cf [2024-11-25 04:22:09,653 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:22:09,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-11-25 04:22:09,668 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/data/4362c15ff/da2695d6583748d6965f7e775c117b18/FLAG8f37d98cf [2024-11-25 04:22:09,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/data/4362c15ff/da2695d6583748d6965f7e775c117b18 [2024-11-25 04:22:09,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:22:09,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:22:09,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:22:09,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:22:09,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:22:09,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:22:09" (1/1) ... [2024-11-25 04:22:09,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f66f637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:09, skipping insertion in model container [2024-11-25 04:22:09,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:22:09" (1/1) ... [2024-11-25 04:22:09,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:22:10,103 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_959a7746-6123-4fd2-a121-b9446644085e/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c[709,722] [2024-11-25 04:22:10,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:22:10,136 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:22:10,146 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_959a7746-6123-4fd2-a121-b9446644085e/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c[709,722] [2024-11-25 04:22:10,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:22:10,169 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:22:10,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:10 WrapperNode [2024-11-25 04:22:10,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:22:10,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:22:10,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:22:10,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:22:10,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:10" (1/1) ... [2024-11-25 04:22:10,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:10" (1/1) ... [2024-11-25 04:22:10,209 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-11-25 04:22:10,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:22:10,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:22:10,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:22:10,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:22:10,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:10" (1/1) ... [2024-11-25 04:22:10,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:10" (1/1) ... [2024-11-25 04:22:10,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:10" (1/1) ... [2024-11-25 04:22:10,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:10" (1/1) ... [2024-11-25 04:22:10,229 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:10" (1/1) ... [2024-11-25 04:22:10,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:10" (1/1) ... [2024-11-25 04:22:10,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:10" (1/1) ... [2024-11-25 04:22:10,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:10" (1/1) ... [2024-11-25 04:22:10,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:10" (1/1) ... [2024-11-25 04:22:10,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:22:10,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:22:10,244 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:22:10,244 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:22:10,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:10" (1/1) ... [2024-11-25 04:22:10,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:22:10,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:22:10,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:22:10,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:22:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:22:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:22:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:22:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:22:10,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:22:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:22:10,390 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:22:10,392 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:22:10,545 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 04:22:10,545 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:22:10,583 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:22:10,583 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:22:10,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:22:10 BoogieIcfgContainer [2024-11-25 04:22:10,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:22:10,585 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:22:10,585 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:22:10,595 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:22:10,595 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:22:10" (1/1) ... [2024-11-25 04:22:10,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:22:10,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:10,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-25 04:22:10,671 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-25 04:22:10,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:22:10,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:10,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:22:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:22:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:22:10,810 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:22:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:22:10,833 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:22:10,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:22:10 ImpRootNode [2024-11-25 04:22:10,854 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:22:10,855 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:22:10,855 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:22:10,855 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:22:10,856 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:22:10" (3/4) ... [2024-11-25 04:22:10,859 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:22:10,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:22:10,861 INFO L158 Benchmark]: Toolchain (without parser) took 942.86ms. Allocated memory is still 117.4MB. Free memory was 85.3MB in the beginning and 49.3MB in the end (delta: 36.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:22:10,861 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:22:10,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.91ms. Allocated memory is still 117.4MB. Free memory was 85.3MB in the beginning and 74.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:22:10,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.57ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:22:10,863 INFO L158 Benchmark]: Boogie Preprocessor took 32.52ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 71.8MB in the end (delta: 687.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:22:10,863 INFO L158 Benchmark]: RCFGBuilder took 340.01ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 59.8MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:22:10,864 INFO L158 Benchmark]: CodeCheck took 269.32ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 49.3MB in the end (delta: 10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:22:10,864 INFO L158 Benchmark]: Witness Printer took 5.10ms. Allocated memory is still 117.4MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:22:10,866 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, 16 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, 5 NumberOfCodeBlocks, 5 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, ConComCheckerStatistics: 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] [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 0.37ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.91ms. Allocated memory is still 117.4MB. Free memory was 85.3MB in the beginning and 74.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.57ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 72.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.52ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 71.8MB in the end (delta: 687.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.01ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 59.8MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 269.32ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 49.3MB in the end (delta: 10.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.10ms. Allocated memory is still 117.4MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:22:10,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3 --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-d790fec [2024-11-25 04:22:13,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:22:13,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:22:13,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:22:13,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:22:13,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:22:13,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:22:13,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:22:13,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:22:13,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:22:13,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:22:13,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:22:13,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:22:13,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:22:13,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:22:13,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:22:13,729 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:22:13,729 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:22:13,729 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:22:13,730 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:22:13,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:22:13,730 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:22:13,730 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:22:13,731 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:22:13,731 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:22:13,731 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:22:13,731 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:13,731 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:22:13,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:22:13,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:22:13,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:22:13,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:22:13,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:22:13,733 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:22:13,733 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:13,733 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:22:13,734 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_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 04:22:14,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:22:14,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:22:14,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:22:14,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:22:14,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:22:14,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-11-25 04:22:17,084 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/data/ece3c1936/94187a07999c44ebb8a45e923e1294ab/FLAG9b19e4cdc [2024-11-25 04:22:17,357 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:22:17,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-11-25 04:22:17,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/data/ece3c1936/94187a07999c44ebb8a45e923e1294ab/FLAG9b19e4cdc [2024-11-25 04:22:17,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/data/ece3c1936/94187a07999c44ebb8a45e923e1294ab [2024-11-25 04:22:17,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:22:17,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:22:17,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:22:17,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:22:17,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:22:17,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:22:17" (1/1) ... [2024-11-25 04:22:17,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6efce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:17, skipping insertion in model container [2024-11-25 04:22:17,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:22:17" (1/1) ... [2024-11-25 04:22:17,440 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:22:17,609 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_959a7746-6123-4fd2-a121-b9446644085e/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c[709,722] [2024-11-25 04:22:17,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:22:17,670 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:22:17,685 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_959a7746-6123-4fd2-a121-b9446644085e/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c[709,722] [2024-11-25 04:22:17,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:22:17,727 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:22:17,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:17 WrapperNode [2024-11-25 04:22:17,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:22:17,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:22:17,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:22:17,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:22:17,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:17" (1/1) ... [2024-11-25 04:22:17,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:17" (1/1) ... [2024-11-25 04:22:17,780 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-11-25 04:22:17,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:22:17,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:22:17,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:22:17,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:22:17,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:17" (1/1) ... [2024-11-25 04:22:17,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:17" (1/1) ... [2024-11-25 04:22:17,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:17" (1/1) ... [2024-11-25 04:22:17,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:17" (1/1) ... [2024-11-25 04:22:17,813 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:17" (1/1) ... [2024-11-25 04:22:17,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:17" (1/1) ... [2024-11-25 04:22:17,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:17" (1/1) ... [2024-11-25 04:22:17,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:17" (1/1) ... [2024-11-25 04:22:17,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:17" (1/1) ... [2024-11-25 04:22:17,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:22:17,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:22:17,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:22:17,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:22:17,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:22:17" (1/1) ... [2024-11-25 04:22:17,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:22:17,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:22:17,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:22:17,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:22:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:22:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:22:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:22:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:22:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:22:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:22:17,968 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:22:17,970 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:22:21,237 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 04:22:21,237 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:22:21,310 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:22:21,310 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:22:21,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:22:21 BoogieIcfgContainer [2024-11-25 04:22:21,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:22:21,312 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:22:21,312 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:22:21,323 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:22:21,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:22:21" (1/1) ... [2024-11-25 04:22:21,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:22:21,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:22:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-25 04:22:21,390 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-25 04:22:21,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:22:21,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:22:21,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:22:21,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:22:21,397 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:22:21,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:22:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:21,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:22:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:22:21,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:22:21,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:22,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:22:22,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:22:24,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:22:28,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:22:32,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:22:42,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:22:52,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:22:57,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:23:08,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:23:18,412 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 [] [2024-11-25 04:23:18,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:18,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 32 transitions. [2024-11-25 04:23:18,996 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 32 transitions. [2024-11-25 04:23:19,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:23:19,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:19,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:23:19,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:23:19,004 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:23:19,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:23:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:19,562 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:23:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:26,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:23:26,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:29,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:23:29,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:23:32,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:23:35,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:23:39,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:23:44,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:23:54,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:24:04,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:24:11,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:24:22,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:24:32,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:24:42,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.67s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:24:52,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:02,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:03,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:08,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.85s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:19,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:29,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:36,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.98s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:40,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:42,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:46,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:53,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.94s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:56,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:57,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:58,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 25 states and 56 transitions. [2024-11-25 04:25:58,007 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 56 transitions. [2024-11-25 04:25:58,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:25:58,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:58,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:58,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:58,013 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:58,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959a7746-6123-4fd2-a121-b9446644085e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:26:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:26:44,138 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:27:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat