./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.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_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/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_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/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_94d054ec-eaa2-4325-ae12-2dd73791ed3b/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 ff5daa36c47d3acf04ff127d3f9a6e17688f7f254f16d34cb2769aec1ca052fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:12:35,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:12:35,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:12:35,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:12:35,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:12:36,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:12:36,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:12:36,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:12:36,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:12:36,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:12:36,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:12:36,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:12:36,017 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:12:36,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:12:36,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:12:36,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:12:36,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:12:36,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:12:36,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:12:36,019 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:12:36,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:12:36,019 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:12:36,019 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:12:36,020 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:12:36,020 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:12:36,020 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:12:36,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:12:36,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:12:36,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:12:36,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:12:36,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:12:36,021 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:12:36,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:12:36,021 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_94d054ec-eaa2-4325-ae12-2dd73791ed3b/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 -> ff5daa36c47d3acf04ff127d3f9a6e17688f7f254f16d34cb2769aec1ca052fe [2024-11-25 02:12:36,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:12:36,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:12:36,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:12:36,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:12:36,372 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:12:36,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c [2024-11-25 02:12:39,564 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/data/7642cd54d/477a560d2df149a3abb3978187b235a9/FLAG802d9b906 [2024-11-25 02:12:39,901 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:12:39,902 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c [2024-11-25 02:12:39,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/data/7642cd54d/477a560d2df149a3abb3978187b235a9/FLAG802d9b906 [2024-11-25 02:12:39,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/data/7642cd54d/477a560d2df149a3abb3978187b235a9 [2024-11-25 02:12:39,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:12:39,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:12:39,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:12:39,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:12:39,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:12:39,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:12:39" (1/1) ... [2024-11-25 02:12:39,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea012c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:39, skipping insertion in model container [2024-11-25 02:12:39,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:12:39" (1/1) ... [2024-11-25 02:12:39,975 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:12:40,158 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_94d054ec-eaa2-4325-ae12-2dd73791ed3b/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c[709,722] [2024-11-25 02:12:40,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:12:40,208 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:12:40,220 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_94d054ec-eaa2-4325-ae12-2dd73791ed3b/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c[709,722] [2024-11-25 02:12:40,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:12:40,244 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:12:40,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:40 WrapperNode [2024-11-25 02:12:40,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:12:40,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:12:40,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:12:40,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:12:40,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:40" (1/1) ... [2024-11-25 02:12:40,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:40" (1/1) ... [2024-11-25 02:12:40,290 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-11-25 02:12:40,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:12:40,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:12:40,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:12:40,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:12:40,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:40" (1/1) ... [2024-11-25 02:12:40,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:40" (1/1) ... [2024-11-25 02:12:40,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:40" (1/1) ... [2024-11-25 02:12:40,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:40" (1/1) ... [2024-11-25 02:12:40,310 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:40" (1/1) ... [2024-11-25 02:12:40,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:40" (1/1) ... [2024-11-25 02:12:40,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:40" (1/1) ... [2024-11-25 02:12:40,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:40" (1/1) ... [2024-11-25 02:12:40,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:40" (1/1) ... [2024-11-25 02:12:40,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:12:40,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:12:40,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:12:40,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:12:40,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:40" (1/1) ... [2024-11-25 02:12:40,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:12:40,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:12:40,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:12:40,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:12:40,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:12:40,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:12:40,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:12:40,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:12:40,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:12:40,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:12:40,458 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:12:40,461 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:12:40,661 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 02:12:40,661 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:12:40,728 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:12:40,730 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:12:40,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:12:40 BoogieIcfgContainer [2024-11-25 02:12:40,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:12:40,731 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:12:40,732 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:12:40,744 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:12:40,745 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:12:40" (1/1) ... [2024-11-25 02:12:40,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:12:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:12:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-25 02:12:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-25 02:12:40,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:12:40,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:12:40,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:12:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:12:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:12:40,983 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:12:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:12:41,027 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:12:41,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:12:41 ImpRootNode [2024-11-25 02:12:41,049 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:12:41,050 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:12:41,050 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:12:41,051 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:12:41,051 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:12:40" (3/4) ... [2024-11-25 02:12:41,054 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:12:41,055 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:12:41,056 INFO L158 Benchmark]: Toolchain (without parser) took 1111.72ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 56.3MB in the end (delta: 36.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:12:41,057 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:12:41,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.90ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.2MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:12:41,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.41ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:12:41,058 INFO L158 Benchmark]: Boogie Preprocessor took 31.91ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.0MB in the end (delta: 671.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:12:41,059 INFO L158 Benchmark]: RCFGBuilder took 402.36ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 66.7MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:12:41,059 INFO L158 Benchmark]: CodeCheck took 318.00ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 56.6MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:12:41,060 INFO L158 Benchmark]: Witness Printer took 5.30ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 56.3MB in the end (delta: 365.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:12:41,062 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: 0.3s, 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<=1) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=1) [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 0.44ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.90ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.2MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.41ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.91ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.0MB in the end (delta: 671.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 402.36ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 66.7MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 318.00ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 56.6MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.30ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 56.3MB in the end (delta: 365.1kB). 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 02:12:41,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/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_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/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_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/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_94d054ec-eaa2-4325-ae12-2dd73791ed3b/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 ff5daa36c47d3acf04ff127d3f9a6e17688f7f254f16d34cb2769aec1ca052fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:12:44,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:12:44,125 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:12:44,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:12:44,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:12:44,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:12:44,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:12:44,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:12:44,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:12:44,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:12:44,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:12:44,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:12:44,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:12:44,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:12:44,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:12:44,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:12:44,178 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:12:44,179 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:12:44,179 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:12:44,179 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:12:44,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:12:44,179 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:12:44,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:12:44,179 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:12:44,179 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:12:44,179 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:12:44,179 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:12:44,179 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:12:44,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:12:44,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:12:44,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:12:44,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:12:44,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:12:44,180 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:12:44,180 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:12:44,180 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:12:44,180 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_94d054ec-eaa2-4325-ae12-2dd73791ed3b/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 -> ff5daa36c47d3acf04ff127d3f9a6e17688f7f254f16d34cb2769aec1ca052fe [2024-11-25 02:12:44,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:12:44,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:12:44,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:12:44,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:12:44,653 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:12:44,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c [2024-11-25 02:12:47,937 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/data/4bb6a50d7/faa3f9636d034ee5824244b01103e9a3/FLAG3d11d521d [2024-11-25 02:12:48,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:12:48,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c [2024-11-25 02:12:48,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/data/4bb6a50d7/faa3f9636d034ee5824244b01103e9a3/FLAG3d11d521d [2024-11-25 02:12:48,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/data/4bb6a50d7/faa3f9636d034ee5824244b01103e9a3 [2024-11-25 02:12:48,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:12:48,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:12:48,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:12:48,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:12:48,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:12:48,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:12:48" (1/1) ... [2024-11-25 02:12:48,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42dcf1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:48, skipping insertion in model container [2024-11-25 02:12:48,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:12:48" (1/1) ... [2024-11-25 02:12:48,208 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:12:48,353 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_94d054ec-eaa2-4325-ae12-2dd73791ed3b/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c[709,722] [2024-11-25 02:12:48,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:12:48,389 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:12:48,398 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_94d054ec-eaa2-4325-ae12-2dd73791ed3b/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c[709,722] [2024-11-25 02:12:48,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:12:48,425 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:12:48,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:48 WrapperNode [2024-11-25 02:12:48,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:12:48,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:12:48,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:12:48,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:12:48,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:48" (1/1) ... [2024-11-25 02:12:48,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:48" (1/1) ... [2024-11-25 02:12:48,456 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-11-25 02:12:48,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:12:48,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:12:48,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:12:48,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:12:48,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:48" (1/1) ... [2024-11-25 02:12:48,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:48" (1/1) ... [2024-11-25 02:12:48,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:48" (1/1) ... [2024-11-25 02:12:48,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:48" (1/1) ... [2024-11-25 02:12:48,476 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:48" (1/1) ... [2024-11-25 02:12:48,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:48" (1/1) ... [2024-11-25 02:12:48,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:48" (1/1) ... [2024-11-25 02:12:48,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:48" (1/1) ... [2024-11-25 02:12:48,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:48" (1/1) ... [2024-11-25 02:12:48,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:12:48,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:12:48,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:12:48,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:12:48,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:12:48" (1/1) ... [2024-11-25 02:12:48,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:12:48,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:12:48,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:12:48,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:12:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:12:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:12:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:12:48,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:12:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:12:48,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:12:48,666 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:12:48,668 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:12:53,719 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 02:12:53,719 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:12:53,774 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:12:53,774 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:12:53,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:12:53 BoogieIcfgContainer [2024-11-25 02:12:53,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:12:53,776 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:12:53,776 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:12:53,788 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:12:53,788 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:12:53" (1/1) ... [2024-11-25 02:12:53,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:12:53,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:12:53,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-25 02:12:53,853 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-25 02:12:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:12:53,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:12:53,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:12:53,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:12:53,860 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:12:53,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:12:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:12:54,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:12:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:12:54,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:12:54,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:12:54,580 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 02:12:54,583 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:12:54,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:12:56,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:13:00,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:13:08,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:13:19,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:13:29,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:13:36,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:13:39,572 WARN L539 Checker$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 02:13:50,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:14:00,782 WARN L539 Checker$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 02:14:01,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:14:01,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 32 transitions. [2024-11-25 02:14:01,996 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 32 transitions. [2024-11-25 02:14:02,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:14:02,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:14:02,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:14:02,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:14:02,004 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:14:02,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:14:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:02,543 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:14:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:14:06,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:14:06,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:14:09,449 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 02:14:09,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:14:13,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:14:15,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:14:21,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:14:27,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:14:37,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:14:47,361 WARN L539 Checker$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 02:14:51,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:15:02,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:15:12,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:15:13,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:15:19,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:15:29,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:15:39,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:15:47,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.04s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:15:58,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:16:08,059 WARN L539 Checker$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 02:16:19,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.05s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:16:20,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:16:22,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:16:25,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:16:34,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.83s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:16:35,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:16:37,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:16:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 25 states and 56 transitions. [2024-11-25 02:16:37,303 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 56 transitions. [2024-11-25 02:16:37,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:16:37,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:37,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:16:37,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:16:37,307 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:16:37,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d054ec-eaa2-4325-ae12-2dd73791ed3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:16:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:16:38,907 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:16:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat