./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_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b --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 [2024-12-05 23:11:52,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:11:52,382 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:11:52,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:11:52,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:11:52,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:11:52,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:11:52,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:11:52,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:11:52,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:11:52,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:11:52,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:11:52,408 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:11:52,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:11:52,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:11:52,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:11:52,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:11:52,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:11:52,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:11:52,409 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:11:52,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:11:52,409 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:11:52,409 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:11:52,409 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:11:52,409 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:11:52,409 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:11:52,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:11:52,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:11:52,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:11:52,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:11:52,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:11:52,410 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:11:52,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:11:52,410 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_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-05 23:11:52,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:11:52,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:11:52,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:11:52,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:11:52,665 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:11:52,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c [2024-12-05 23:11:55,378 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/data/c76135ca3/735b75bb737248379560d3bb9ac57c82/FLAG739e4b7f1 [2024-12-05 23:11:55,561 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:11:55,562 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c [2024-12-05 23:11:55,569 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/data/c76135ca3/735b75bb737248379560d3bb9ac57c82/FLAG739e4b7f1 [2024-12-05 23:11:55,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/data/c76135ca3/735b75bb737248379560d3bb9ac57c82 [2024-12-05 23:11:55,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:11:55,584 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:11:55,585 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:11:55,585 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:11:55,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:11:55,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:11:55" (1/1) ... [2024-12-05 23:11:55,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46bead93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:55, skipping insertion in model container [2024-12-05 23:11:55,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:11:55" (1/1) ... [2024-12-05 23:11:55,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:11:55,740 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_20cdf29f-debe-4062-b9db-01be923a529d/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c[709,722] [2024-12-05 23:11:55,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:11:55,769 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:11:55,778 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_20cdf29f-debe-4062-b9db-01be923a529d/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c[709,722] [2024-12-05 23:11:55,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:11:55,802 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:11:55,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:55 WrapperNode [2024-12-05 23:11:55,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:11:55,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:11:55,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:11:55,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:11:55,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:55" (1/1) ... [2024-12-05 23:11:55,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:55" (1/1) ... [2024-12-05 23:11:55,832 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-12-05 23:11:55,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:11:55,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:11:55,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:11:55,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:11:55,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:55" (1/1) ... [2024-12-05 23:11:55,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:55" (1/1) ... [2024-12-05 23:11:55,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:55" (1/1) ... [2024-12-05 23:11:55,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:55" (1/1) ... [2024-12-05 23:11:55,845 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:55" (1/1) ... [2024-12-05 23:11:55,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:55" (1/1) ... [2024-12-05 23:11:55,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:55" (1/1) ... [2024-12-05 23:11:55,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:55" (1/1) ... [2024-12-05 23:11:55,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:55" (1/1) ... [2024-12-05 23:11:55,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:11:55,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:11:55,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:11:55,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:11:55,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:55" (1/1) ... [2024-12-05 23:11:55,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:11:55,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:11:55,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:11:55,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:11:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:11:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:11:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:11:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:11:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:11:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:11:55,964 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:11:55,966 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:11:56,073 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-05 23:11:56,073 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:11:56,105 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:11:56,105 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:11:56,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:11:56 BoogieIcfgContainer [2024-12-05 23:11:56,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:11:56,107 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:11:56,107 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:11:56,116 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:11:56,116 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:11:56" (1/1) ... [2024-12-05 23:11:56,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:11:56,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:56,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-05 23:11:56,171 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-05 23:11:56,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:11:56,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:56,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:11:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:11:56,273 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:11:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:11:56,293 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:11:56,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:11:56 ImpRootNode [2024-12-05 23:11:56,309 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:11:56,309 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:11:56,309 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:11:56,309 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:11:56,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:11:56" (3/4) ... [2024-12-05 23:11:56,312 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:11:56,313 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:11:56,314 INFO L158 Benchmark]: Toolchain (without parser) took 729.19ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 81.5MB in the end (delta: 36.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:11:56,314 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:11:56,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.72ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 106.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:11:56,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.25ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:11:56,315 INFO L158 Benchmark]: Boogie Preprocessor took 18.53ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.9MB in the end (delta: 925.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:11:56,315 INFO L158 Benchmark]: RCFGBuilder took 253.16ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 92.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:11:56,316 INFO L158 Benchmark]: CodeCheck took 202.10ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 81.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:11:56,316 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 186.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:11:56,319 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<=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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.72ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 106.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.25ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.53ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.9MB in the end (delta: 925.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 253.16ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 92.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 202.10ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 81.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 186.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:11:56,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/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_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b --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 [2024-12-05 23:11:58,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:11:58,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:11:58,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:11:58,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:11:58,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:11:58,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:11:58,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:11:58,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:11:58,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:11:58,371 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:11:58,371 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:11:58,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:11:58,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:11:58,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:11:58,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:11:58,371 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:11:58,371 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:11:58,372 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:11:58,372 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:11:58,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:11:58,372 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:11:58,372 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:11:58,372 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:11:58,372 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:11:58,372 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:11:58,372 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:58,372 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:11:58,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:11:58,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:11:58,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:11:58,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:11:58,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:11:58,373 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:11:58,373 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:58,373 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:11:58,373 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_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-05 23:11:58,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:11:58,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:11:58,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:11:58,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:11:58,622 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:11:58,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c [2024-12-05 23:12:01,364 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/data/168ba2b76/dc070a9794a24a09b9191827ba01213d/FLAG867669a59 [2024-12-05 23:12:01,531 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:12:01,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c [2024-12-05 23:12:01,539 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/data/168ba2b76/dc070a9794a24a09b9191827ba01213d/FLAG867669a59 [2024-12-05 23:12:01,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/data/168ba2b76/dc070a9794a24a09b9191827ba01213d [2024-12-05 23:12:01,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:12:01,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:12:01,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:12:01,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:12:01,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:12:01,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:12:01" (1/1) ... [2024-12-05 23:12:01,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a35a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:01, skipping insertion in model container [2024-12-05 23:12:01,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:12:01" (1/1) ... [2024-12-05 23:12:01,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:12:02,021 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_20cdf29f-debe-4062-b9db-01be923a529d/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c[709,722] [2024-12-05 23:12:02,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:12:02,045 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:12:02,052 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_20cdf29f-debe-4062-b9db-01be923a529d/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound1.c[709,722] [2024-12-05 23:12:02,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:12:02,069 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:12:02,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:02 WrapperNode [2024-12-05 23:12:02,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:12:02,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:12:02,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:12:02,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:12:02,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:02" (1/1) ... [2024-12-05 23:12:02,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:02" (1/1) ... [2024-12-05 23:12:02,090 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-12-05 23:12:02,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:12:02,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:12:02,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:12:02,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:12:02,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:02" (1/1) ... [2024-12-05 23:12:02,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:02" (1/1) ... [2024-12-05 23:12:02,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:02" (1/1) ... [2024-12-05 23:12:02,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:02" (1/1) ... [2024-12-05 23:12:02,108 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:02" (1/1) ... [2024-12-05 23:12:02,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:02" (1/1) ... [2024-12-05 23:12:02,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:02" (1/1) ... [2024-12-05 23:12:02,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:02" (1/1) ... [2024-12-05 23:12:02,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:02" (1/1) ... [2024-12-05 23:12:02,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:12:02,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:12:02,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:12:02,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:12:02,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:12:02" (1/1) ... [2024-12-05 23:12:02,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:12:02,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:12:02,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:12:02,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:12:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:12:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:12:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:12:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:12:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:12:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:12:02,221 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:12:02,223 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:12:05,962 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 23:12:05,962 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:12:06,002 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:12:06,002 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:12:06,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:12:06 BoogieIcfgContainer [2024-12-05 23:12:06,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:12:06,004 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:12:06,004 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:12:06,011 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:12:06,011 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:12:06" (1/1) ... [2024-12-05 23:12:06,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:12:06,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:06,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-05 23:12:06,058 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-05 23:12:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:12:06,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:06,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:06,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:12:06,062 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:12:06,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:12:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:06,194 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:12:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:06,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:12:06,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:06,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:06,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:12:07,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:10,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:16,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:27,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:37,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:42,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:53,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:13:03,179 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 [] [2024-12-05 23:13:04,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:04,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 32 transitions. [2024-12-05 23:13:04,315 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 32 transitions. [2024-12-05 23:13:04,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:13:04,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:04,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:13:04,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:13:04,320 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:13:04,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:13:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:04,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:13:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:11,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:13:11,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:13:14,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:14,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-05 23:13:17,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:13:19,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:13:23,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:13:28,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:13:39,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:13:49,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:13:53,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:14:04,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:14:14,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:14:20,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:14:31,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:14:41,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:14:45,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:14:48,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:14:58,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:15:08,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:15:18,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.20s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:15:23,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:15:29,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.00s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:15:32,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:15:34,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:15:34,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:34,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 25 states and 56 transitions. [2024-12-05 23:15:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 56 transitions. [2024-12-05 23:15:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:15:34,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:34,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:15:34,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:15:34,270 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:15:34,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20cdf29f-debe-4062-b9db-01be923a529d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:15:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:15:35,639 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:15:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat