./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i --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_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/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_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/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_645238f4-7700-4f2b-92da-70a61b1095b7/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 fe4b2ac8b2a0e269dd16c91161494638306526c517de7ea644739142e1210da9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:40:09,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:40:09,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:40:09,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:40:09,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:40:09,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:40:09,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:40:09,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:40:09,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:40:09,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:40:09,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:40:09,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:40:09,798 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:40:09,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:40:09,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:40:09,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:40:09,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:40:09,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:40:09,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:40:09,798 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:40:09,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:40:09,798 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:40:09,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:40:09,799 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:40:09,799 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:40:09,799 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:40:09,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:40:09,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:40:09,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:40:09,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:40:09,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:40:09,799 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:40:09,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:40:09,800 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_645238f4-7700-4f2b-92da-70a61b1095b7/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 -> fe4b2ac8b2a0e269dd16c91161494638306526c517de7ea644739142e1210da9 [2024-12-05 21:40:10,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:40:10,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:40:10,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:40:10,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:40:10,011 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:40:10,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i [2024-12-05 21:40:12,613 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/data/cd8f574db/fb653c24bbb7452a9202700d645b239a/FLAG9e5abf9fe [2024-12-05 21:40:12,818 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:40:12,819 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/sv-benchmarks/c/floats-esbmc-regression/Float_div.i [2024-12-05 21:40:12,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/data/cd8f574db/fb653c24bbb7452a9202700d645b239a/FLAG9e5abf9fe [2024-12-05 21:40:13,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/data/cd8f574db/fb653c24bbb7452a9202700d645b239a [2024-12-05 21:40:13,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:40:13,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:40:13,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:40:13,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:40:13,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:40:13,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c61888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:13, skipping insertion in model container [2024-12-05 21:40:13,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:40:13,309 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_645238f4-7700-4f2b-92da-70a61b1095b7/sv-benchmarks/c/floats-esbmc-regression/Float_div.i[803,816] [2024-12-05 21:40:13,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:40:13,325 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:40:13,332 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_645238f4-7700-4f2b-92da-70a61b1095b7/sv-benchmarks/c/floats-esbmc-regression/Float_div.i[803,816] [2024-12-05 21:40:13,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:40:13,344 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:40:13,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:13 WrapperNode [2024-12-05 21:40:13,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:40:13,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:40:13,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:40:13,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:40:13,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,364 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-12-05 21:40:13,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:40:13,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:40:13,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:40:13,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:40:13,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,372 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:40:13,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:40:13,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:40:13,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:40:13,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:40:13,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:40:13,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:40:13,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:40:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:40:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:40:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:40:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:40:13,473 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:40:13,475 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:40:13,538 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 21:40:13,538 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:40:13,563 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:40:13,563 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:40:13,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:40:13 BoogieIcfgContainer [2024-12-05 21:40:13,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:40:13,564 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:40:13,564 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:40:13,571 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:40:13,572 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:40:13" (1/1) ... [2024-12-05 21:40:13,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:40:13,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:13,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:40:13,626 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:40:13,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:40:13,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:13,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:40:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:40:13,708 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:40:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:40:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:40:13,746 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:40:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:40:13,760 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:40:13,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:40:13 ImpRootNode [2024-12-05 21:40:13,774 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:40:13,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:40:13,775 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:40:13,775 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:40:13,775 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:40:13" (3/4) ... [2024-12-05 21:40:13,778 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:40:13,778 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:40:13,779 INFO L158 Benchmark]: Toolchain (without parser) took 585.12ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 83.8MB in the end (delta: 32.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 21:40:13,780 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:40:13,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 149.16ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 105.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:40:13,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.01ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:40:13,781 INFO L158 Benchmark]: Boogie Preprocessor took 12.46ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.8MB in the end (delta: 650.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:40:13,781 INFO L158 Benchmark]: RCFGBuilder took 185.95ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 93.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:40:13,782 INFO L158 Benchmark]: CodeCheck took 210.21ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 84.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:40:13,782 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 83.8MB in the end (delta: 190.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:40:13,785 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 1 procedures, 7 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, 4 NumberOfCodeBlocks, 4 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: 13]: 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 someBinaryFLOATComparisonOperation at line 23, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L20] float x = 1.0f; [L21] float x1 = x/2.5f; [L23] COND FALSE !(x1 != x) [L29] CALL __VERIFIER_assert(x == 0) [L13] COND TRUE !(cond) [L13] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 149.16ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 105.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.01ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.46ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.8MB in the end (delta: 650.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 185.95ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 93.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 210.21ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 84.0MB in the end (delta: 9.8MB). 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 84.0MB in the beginning and 83.8MB in the end (delta: 190.5kB). 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 21:40:13,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/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_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/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_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/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_645238f4-7700-4f2b-92da-70a61b1095b7/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 fe4b2ac8b2a0e269dd16c91161494638306526c517de7ea644739142e1210da9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:40:15,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:40:15,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 21:40:15,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:40:15,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:40:15,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:40:15,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:40:15,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:40:15,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:40:15,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:40:15,872 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:40:15,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:40:15,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:40:15,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:40:15,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:40:15,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:40:15,873 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:40:15,873 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:40:15,873 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:40:15,873 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:40:15,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:40:15,873 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:40:15,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:40:15,873 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:40:15,874 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:40:15,874 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:40:15,874 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:15,874 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:40:15,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:40:15,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:40:15,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:40:15,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:40:15,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:40:15,874 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:40:15,875 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:15,875 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:40:15,875 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_645238f4-7700-4f2b-92da-70a61b1095b7/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 -> fe4b2ac8b2a0e269dd16c91161494638306526c517de7ea644739142e1210da9 [2024-12-05 21:40:16,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:40:16,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:40:16,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:40:16,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:40:16,107 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:40:16,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i [2024-12-05 21:40:18,777 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/data/d013b9a5f/ea2b32bf930943b0a0b94cf0001200e1/FLAG7172ea1a7 [2024-12-05 21:40:18,960 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:40:18,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/sv-benchmarks/c/floats-esbmc-regression/Float_div.i [2024-12-05 21:40:18,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/data/d013b9a5f/ea2b32bf930943b0a0b94cf0001200e1/FLAG7172ea1a7 [2024-12-05 21:40:19,324 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/data/d013b9a5f/ea2b32bf930943b0a0b94cf0001200e1 [2024-12-05 21:40:19,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:40:19,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:40:19,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:40:19,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:40:19,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:40:19,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d26036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:19, skipping insertion in model container [2024-12-05 21:40:19,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,341 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:40:19,449 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_645238f4-7700-4f2b-92da-70a61b1095b7/sv-benchmarks/c/floats-esbmc-regression/Float_div.i[803,816] [2024-12-05 21:40:19,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:40:19,470 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:40:19,480 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_645238f4-7700-4f2b-92da-70a61b1095b7/sv-benchmarks/c/floats-esbmc-regression/Float_div.i[803,816] [2024-12-05 21:40:19,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:40:19,495 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:40:19,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:19 WrapperNode [2024-12-05 21:40:19,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:40:19,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:40:19,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:40:19,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:40:19,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,521 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-12-05 21:40:19,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:40:19,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:40:19,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:40:19,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:40:19,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,536 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:40:19,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:40:19,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:40:19,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:40:19,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:40:19,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:40:19,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:40:19,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:40:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:40:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:40:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:40:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:40:19,660 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:40:19,662 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:40:19,894 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 21:40:19,894 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:40:19,925 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:40:19,925 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:40:19,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:40:19 BoogieIcfgContainer [2024-12-05 21:40:19,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:40:19,927 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:40:19,927 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:40:19,937 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:40:19,937 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:40:19" (1/1) ... [2024-12-05 21:40:19,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:40:19,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:19,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:40:19,993 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:40:19,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:40:19,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:19,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:19,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:19,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:20,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:40:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:20,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:20,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 21:40:20,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:20,682 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 21:40:20,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-05 21:40:22,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 21:40:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 21:40:22,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:40:22,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:22,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:22,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:22,758 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:22,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:40:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:23,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:24,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 21:40:24,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:25,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 21:40:44,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:40:45,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-12-05 21:40:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-12-05 21:40:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 21:40:45,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:45,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:45,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:45,087 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:45,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 21:40:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:45,549 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:46,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:40:46,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:55,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:40:55,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 21:41:23,089 WARN L286 SmtUtils]: Spent 7.33s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:41:26,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:41:28,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:41:29,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:41:35,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:41:35,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:35,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-05 21:41:35,631 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-05 21:41:35,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:41:35,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:35,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:35,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:41:35,633 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:41:35,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 21:41:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:36,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:41:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:43,271 WARN L254 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 21:41:43,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:04,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:42:04,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 21:42:45,329 WARN L286 SmtUtils]: Spent 21.49s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:43:25,269 WARN L286 SmtUtils]: Spent 23.40s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:43:26,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:43:29,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:43:34,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.90s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:43:36,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:43:37,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:43:39,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:43:42,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:43:44,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:43:46,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:43:49,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:43:51,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:43:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:43:51,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-12-05 21:43:51,044 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-12-05 21:43:51,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:43:51,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:43:51,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:43:51,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:43:51,046 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:43:51,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 21:43:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:43:51,857 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:43:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:43:56,797 WARN L254 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 21:43:56,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:08,040 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:45:08,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 21:45:31,901 WARN L286 SmtUtils]: Spent 5.70s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:46:46,110 WARN L286 SmtUtils]: Spent 59.05s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:48:22,668 WARN L286 SmtUtils]: Spent 58.78s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:48:26,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:48:29,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:48:31,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:48:36,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.21s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:48:40,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:48:43,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:48:49,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:48:51,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:48:54,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:49:02,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.87s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:49:06,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:49:09,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:49:13,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:49:19,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:49:22,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:49:23,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:49:23,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2024-12-05 21:49:23,085 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2024-12-05 21:49:23,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:49:23,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:49:23,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:49:23,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:49:23,087 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:49:23,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 21:49:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:49:24,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:49:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:49:32,128 WARN L254 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 21:49:32,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:51:24,454 WARN L286 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 21:53:57,956 WARN L286 SmtUtils]: Spent 7.29s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:53:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:53:57,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645238f4-7700-4f2b-92da-70a61b1095b7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0