./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.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_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8dd2b259de573dae381590d9c9a53c821e05ecea3ef79b47acb4a28edd56bf9a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:33:29,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:33:30,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:33:30,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:33:30,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:33:30,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:33:30,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:33:30,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:33:30,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:33:30,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:33:30,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:33:30,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:33:30,151 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:33:30,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:33:30,151 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:33:30,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:33:30,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:33:30,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:33:30,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:33:30,152 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:33:30,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:33:30,153 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:33:30,153 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:33:30,153 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:33:30,153 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:33:30,153 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:33:30,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:33:30,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:33:30,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:33:30,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:33:30,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:33:30,154 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:33:30,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:33:30,154 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_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dd2b259de573dae381590d9c9a53c821e05ecea3ef79b47acb4a28edd56bf9a [2024-11-25 03:33:30,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:33:30,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:33:30,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:33:30,514 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:33:30,515 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:33:30,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2024-11-25 03:33:33,538 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/data/a378885ae/7505c164fa8541d7b70268e3c10b57d1/FLAGe323a71b8 [2024-11-25 03:33:33,795 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:33:33,796 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2024-11-25 03:33:33,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/data/a378885ae/7505c164fa8541d7b70268e3c10b57d1/FLAGe323a71b8 [2024-11-25 03:33:33,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/data/a378885ae/7505c164fa8541d7b70268e3c10b57d1 [2024-11-25 03:33:33,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:33:33,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:33:33,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:33:33,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:33:33,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:33:33,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:33" (1/1) ... [2024-11-25 03:33:33,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb2c2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:33, skipping insertion in model container [2024-11-25 03:33:33,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:33" (1/1) ... [2024-11-25 03:33:33,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:33:34,078 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_d2b63936-726d-4e0d-b9c0-c50a2aac0699/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c[674,687] [2024-11-25 03:33:34,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:33:34,101 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:33:34,116 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_d2b63936-726d-4e0d-b9c0-c50a2aac0699/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c[674,687] [2024-11-25 03:33:34,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:33:34,135 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:33:34,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:34 WrapperNode [2024-11-25 03:33:34,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:33:34,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:33:34,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:33:34,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:33:34,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:34" (1/1) ... [2024-11-25 03:33:34,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:34" (1/1) ... [2024-11-25 03:33:34,164 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-25 03:33:34,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:33:34,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:33:34,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:33:34,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:33:34,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:34" (1/1) ... [2024-11-25 03:33:34,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:34" (1/1) ... [2024-11-25 03:33:34,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:34" (1/1) ... [2024-11-25 03:33:34,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:34" (1/1) ... [2024-11-25 03:33:34,175 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:34" (1/1) ... [2024-11-25 03:33:34,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:34" (1/1) ... [2024-11-25 03:33:34,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:34" (1/1) ... [2024-11-25 03:33:34,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:34" (1/1) ... [2024-11-25 03:33:34,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:34" (1/1) ... [2024-11-25 03:33:34,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:33:34,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:33:34,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:33:34,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:33:34,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:34" (1/1) ... [2024-11-25 03:33:34,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:33:34,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:33:34,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:33:34,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:33:34,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:33:34,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:33:34,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:33:34,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:33:34,328 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:33:34,330 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:33:34,440 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:33:34,441 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:33:34,477 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:33:34,478 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:33:34,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:34 BoogieIcfgContainer [2024-11-25 03:33:34,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:33:34,480 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:33:34,480 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:33:34,492 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:33:34,493 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:34" (1/1) ... [2024-11-25 03:33:34,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:33:34,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:33:34,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:33:34,568 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:33:34,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:33:34,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:33:34,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:33:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:34,677 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:33:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:34,751 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:33:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:34,774 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:33:34,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:33:34 ImpRootNode [2024-11-25 03:33:34,802 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:33:34,803 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:33:34,803 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:33:34,803 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:33:34,804 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:34" (3/4) ... [2024-11-25 03:33:34,808 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:33:34,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:33:34,810 INFO L158 Benchmark]: Toolchain (without parser) took 956.74ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 85.4MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:33:34,813 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:34,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.16ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:33:34,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.27ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:34,814 INFO L158 Benchmark]: Boogie Preprocessor took 16.44ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.4MB in the end (delta: 568.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:34,814 INFO L158 Benchmark]: RCFGBuilder took 297.46ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 96.0MB in the end (delta: 9.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:33:34,814 INFO L158 Benchmark]: CodeCheck took 321.45ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 85.5MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:33:34,815 INFO L158 Benchmark]: Witness Printer took 5.97ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 85.4MB in the end (delta: 175.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:34,819 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 27]: 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 someBinaryArithmeticDOUBLEoperation at line 10, overapproximation of someBinaryDOUBLEComparisonOperation at line 12. Possible FailurePath: [L1] int __return_main; [L9] double main__x = 1.0; [L10] double main__x1 = main__x / 1.6; VAL [__return_main=0] [L12] COND FALSE !(main__x1 != main__x) [L21] int __tmp_1; [L22] __tmp_1 = main__x == 0 [L23] int __VERIFIER_assert__cond; [L24] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_main=0] [L25] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L27] reach_error() VAL [__return_main=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.16ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.27ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.44ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.4MB in the end (delta: 568.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.46ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 96.0MB in the end (delta: 9.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 321.45ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 85.5MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.97ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 85.4MB in the end (delta: 175.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:33:34,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8dd2b259de573dae381590d9c9a53c821e05ecea3ef79b47acb4a28edd56bf9a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:33:37,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:33:37,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:33:37,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:33:37,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:33:37,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:33:37,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:33:37,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:33:37,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:33:37,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:33:37,769 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:33:37,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:33:37,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:33:37,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:33:37,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:33:37,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:33:37,770 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:33:37,770 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:33:37,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:33:37,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:33:37,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:33:37,771 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:33:37,771 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:33:37,771 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:33:37,771 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:33:37,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:33:37,772 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:33:37,772 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:33:37,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:33:37,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:33:37,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:33:37,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:33:37,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:33:37,773 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:33:37,773 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:33:37,773 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:33:37,773 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_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dd2b259de573dae381590d9c9a53c821e05ecea3ef79b47acb4a28edd56bf9a [2024-11-25 03:33:38,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:33:38,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:33:38,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:33:38,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:33:38,123 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:33:38,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2024-11-25 03:33:41,249 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/data/7c148fa98/079e805a94164e599b4937c48f29467b/FLAG15d686ff4 [2024-11-25 03:33:41,547 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:33:41,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2024-11-25 03:33:41,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/data/7c148fa98/079e805a94164e599b4937c48f29467b/FLAG15d686ff4 [2024-11-25 03:33:41,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/data/7c148fa98/079e805a94164e599b4937c48f29467b [2024-11-25 03:33:41,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:33:41,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:33:41,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:33:41,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:33:41,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:33:41,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:41" (1/1) ... [2024-11-25 03:33:41,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76314be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:41, skipping insertion in model container [2024-11-25 03:33:41,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:41" (1/1) ... [2024-11-25 03:33:41,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:33:41,802 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_d2b63936-726d-4e0d-b9c0-c50a2aac0699/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c[674,687] [2024-11-25 03:33:41,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:33:41,830 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:33:41,844 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_d2b63936-726d-4e0d-b9c0-c50a2aac0699/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c[674,687] [2024-11-25 03:33:41,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:33:41,868 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:33:41,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:41 WrapperNode [2024-11-25 03:33:41,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:33:41,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:33:41,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:33:41,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:33:41,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:41" (1/1) ... [2024-11-25 03:33:41,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:41" (1/1) ... [2024-11-25 03:33:41,909 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-25 03:33:41,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:33:41,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:33:41,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:33:41,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:33:41,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:41" (1/1) ... [2024-11-25 03:33:41,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:41" (1/1) ... [2024-11-25 03:33:41,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:41" (1/1) ... [2024-11-25 03:33:41,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:41" (1/1) ... [2024-11-25 03:33:41,935 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:41" (1/1) ... [2024-11-25 03:33:41,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:41" (1/1) ... [2024-11-25 03:33:41,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:41" (1/1) ... [2024-11-25 03:33:41,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:41" (1/1) ... [2024-11-25 03:33:41,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:41" (1/1) ... [2024-11-25 03:33:41,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:33:41,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:33:41,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:33:41,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:33:41,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:41" (1/1) ... [2024-11-25 03:33:41,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:33:41,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:33:42,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:33:42,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:33:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:33:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:33:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:33:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:33:42,106 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:33:42,108 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:33:48,031 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:33:48,031 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:33:48,064 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:33:48,064 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:33:48,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:48 BoogieIcfgContainer [2024-11-25 03:33:48,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:33:48,068 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:33:48,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:33:48,081 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:33:48,081 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:48" (1/1) ... [2024-11-25 03:33:48,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:33:48,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:33:48,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:33:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:33:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:33:48,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:33:48,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:33:48,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:33:48,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:33:48,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:33:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:33:49,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:33:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:33:49,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:33:49,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:33:53,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:33:53,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:33:56,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:34:07,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:34:11,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:34:22,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:34:22,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:22,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:34:22,455 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:34:22,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:34:22,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:22,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:34:22,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:34:22,459 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:34:22,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:34:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:24,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:34:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:34:35,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:34:35,729 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:34:35,734 INFO L158 Benchmark]: Toolchain (without parser) took 54141.90ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 53.8MB in the end (delta: 7.9MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-11-25 03:34:35,734 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:35,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.58ms. Allocated memory is still 83.9MB. Free memory was 61.5MB in the beginning and 50.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:34:35,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.38ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 49.4MB in the end (delta: 955.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:35,735 INFO L158 Benchmark]: Boogie Preprocessor took 35.11ms. Allocated memory is still 83.9MB. Free memory was 49.1MB in the beginning and 48.4MB in the end (delta: 706.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:35,738 INFO L158 Benchmark]: RCFGBuilder took 6120.27ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 37.6MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:34:35,738 INFO L158 Benchmark]: CodeCheck took 47664.79ms. Allocated memory is still 83.9MB. Free memory was 37.6MB in the beginning and 53.8MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:35,744 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.58ms. Allocated memory is still 83.9MB. Free memory was 61.5MB in the beginning and 50.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.38ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 49.4MB in the end (delta: 955.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.11ms. Allocated memory is still 83.9MB. Free memory was 49.1MB in the beginning and 48.4MB in the end (delta: 706.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 6120.27ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 37.6MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 47664.79ms. Allocated memory is still 83.9MB. Free memory was 37.6MB in the beginning and 53.8MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:34:35,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b63936-726d-4e0d-b9c0-c50a2aac0699/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown