./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.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_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/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_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/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_90e7b38a-df30-419e-abdc-666f693a0bf2/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 1b976e330e4c054879765a8eb6bc4e652ff9f2eb85e78e14695d7ebb374384cf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:17:06,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:17:06,391 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:17:06,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:17:06,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:17:06,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:17:06,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:17:06,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:17:06,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:17:06,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:17:06,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:17:06,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:17:06,420 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:17:06,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:17:06,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:17:06,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:17:06,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:17:06,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:17:06,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:17:06,421 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:17:06,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:17:06,421 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:17:06,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:17:06,421 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:17:06,421 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:17:06,421 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:17:06,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:17:06,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:17:06,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:17:06,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:17:06,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:17:06,422 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:17:06,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:17:06,423 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_90e7b38a-df30-419e-abdc-666f693a0bf2/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 -> 1b976e330e4c054879765a8eb6bc4e652ff9f2eb85e78e14695d7ebb374384cf [2024-11-24 18:17:06,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:17:06,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:17:06,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:17:06,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:17:06,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:17:06,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c [2024-11-24 18:17:09,694 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/data/983e3fbb2/017c6bfd80754e2fb66e7e4a8f3932a9/FLAGc4cbbbbc7 [2024-11-24 18:17:09,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:17:09,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c [2024-11-24 18:17:09,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/data/983e3fbb2/017c6bfd80754e2fb66e7e4a8f3932a9/FLAGc4cbbbbc7 [2024-11-24 18:17:09,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/data/983e3fbb2/017c6bfd80754e2fb66e7e4a8f3932a9 [2024-11-24 18:17:09,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:17:09,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:17:09,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:17:09,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:17:09,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:17:09,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:17:09" (1/1) ... [2024-11-24 18:17:09,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6150f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:09, skipping insertion in model container [2024-11-24 18:17:09,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:17:09" (1/1) ... [2024-11-24 18:17:09,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:17:10,149 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_90e7b38a-df30-419e-abdc-666f693a0bf2/sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c[670,683] [2024-11-24 18:17:10,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:17:10,163 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:17:10,173 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_90e7b38a-df30-419e-abdc-666f693a0bf2/sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c[670,683] [2024-11-24 18:17:10,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:17:10,184 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:17:10,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:10 WrapperNode [2024-11-24 18:17:10,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:17:10,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:17:10,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:17:10,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:17:10,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:10" (1/1) ... [2024-11-24 18:17:10,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:10" (1/1) ... [2024-11-24 18:17:10,221 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-24 18:17:10,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:17:10,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:17:10,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:17:10,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:17:10,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:10" (1/1) ... [2024-11-24 18:17:10,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:10" (1/1) ... [2024-11-24 18:17:10,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:10" (1/1) ... [2024-11-24 18:17:10,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:10" (1/1) ... [2024-11-24 18:17:10,239 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:10" (1/1) ... [2024-11-24 18:17:10,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:10" (1/1) ... [2024-11-24 18:17:10,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:10" (1/1) ... [2024-11-24 18:17:10,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:10" (1/1) ... [2024-11-24 18:17:10,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:10" (1/1) ... [2024-11-24 18:17:10,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:17:10,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:17:10,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:17:10,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:17:10,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:10" (1/1) ... [2024-11-24 18:17:10,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:17:10,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:17:10,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:17:10,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:17:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:17:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:17:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:17:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:17:10,395 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:17:10,397 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:17:10,483 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-24 18:17:10,483 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:17:10,502 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:17:10,503 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:17:10,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:10 BoogieIcfgContainer [2024-11-24 18:17:10,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:17:10,504 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:17:10,504 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:17:10,516 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:17:10,516 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:10" (1/1) ... [2024-11-24 18:17:10,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:17:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:10,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-24 18:17:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-24 18:17:10,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:17:10,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:10,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:17:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:17:10,664 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:17:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:17:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:17:10,711 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:17:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:17:10,725 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:17:10,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:17:10 ImpRootNode [2024-11-24 18:17:10,745 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:17:10,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:17:10,746 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:17:10,746 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:17:10,747 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:10" (3/4) ... [2024-11-24 18:17:10,750 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:17:10,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:17:10,752 INFO L158 Benchmark]: Toolchain (without parser) took 778.74ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 60.8MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 18:17:10,752 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:17:10,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.76ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.3MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:17:10,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.92ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:17:10,753 INFO L158 Benchmark]: Boogie Preprocessor took 23.05ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.6MB in the end (delta: 632.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:17:10,754 INFO L158 Benchmark]: RCFGBuilder took 256.54ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 71.3MB in the end (delta: 9.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:17:10,754 INFO L158 Benchmark]: CodeCheck took 241.22ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 61.0MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:17:10,755 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 60.8MB in the end (delta: 218.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:17:10,758 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: 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 / 2.5; 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 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.76ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.3MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.92ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.05ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.6MB in the end (delta: 632.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 256.54ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 71.3MB in the end (delta: 9.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 241.22ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 61.0MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 60.8MB in the end (delta: 218.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:17:10,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/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_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/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_90e7b38a-df30-419e-abdc-666f693a0bf2/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 1b976e330e4c054879765a8eb6bc4e652ff9f2eb85e78e14695d7ebb374384cf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:17:13,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:17:13,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-24 18:17:13,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:17:13,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:17:13,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:17:13,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:17:13,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:17:13,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:17:13,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:17:13,567 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:17:13,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:17:13,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:17:13,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:17:13,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:17:13,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:17:13,568 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:17:13,568 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:17:13,569 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:17:13,569 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:17:13,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:17:13,569 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:17:13,569 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:17:13,569 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:17:13,569 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:17:13,570 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:17:13,570 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:13,570 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:17:13,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:17:13,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:17:13,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:17:13,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:17:13,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:17:13,572 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:17:13,572 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:13,572 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:17:13,572 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_90e7b38a-df30-419e-abdc-666f693a0bf2/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 -> 1b976e330e4c054879765a8eb6bc4e652ff9f2eb85e78e14695d7ebb374384cf [2024-11-24 18:17:13,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:17:13,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:17:13,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:17:13,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:17:13,915 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:17:13,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c [2024-11-24 18:17:16,950 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/data/c7e8e0ee4/2d7df949c3f84559a15f6c42613376f4/FLAGa0292e9c1 [2024-11-24 18:17:17,160 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:17:17,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c [2024-11-24 18:17:17,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/data/c7e8e0ee4/2d7df949c3f84559a15f6c42613376f4/FLAGa0292e9c1 [2024-11-24 18:17:17,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/data/c7e8e0ee4/2d7df949c3f84559a15f6c42613376f4 [2024-11-24 18:17:17,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:17:17,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:17:17,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:17:17,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:17:17,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:17:17,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3dc367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17, skipping insertion in model container [2024-11-24 18:17:17,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:17:17,372 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_90e7b38a-df30-419e-abdc-666f693a0bf2/sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c[670,683] [2024-11-24 18:17:17,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:17:17,401 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:17:17,420 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_90e7b38a-df30-419e-abdc-666f693a0bf2/sv-benchmarks/c/floats-esbmc-regression/Double_div.i.p+cfa-reducer.c[670,683] [2024-11-24 18:17:17,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:17:17,440 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:17:17,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17 WrapperNode [2024-11-24 18:17:17,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:17:17,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:17:17,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:17:17,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:17:17,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,481 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-24 18:17:17,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:17:17,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:17:17,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:17:17,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:17:17,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,503 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:17:17,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:17:17,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:17:17,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:17:17,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:17" (1/1) ... [2024-11-24 18:17:17,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:17:17,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:17:17,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:17:17,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:17:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:17:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:17:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:17:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:17:17,676 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:17:17,680 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:17:18,538 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-24 18:17:18,539 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:17:18,565 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:17:18,565 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:17:18,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:18 BoogieIcfgContainer [2024-11-24 18:17:18,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:17:18,566 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:17:18,566 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:17:18,578 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:17:18,578 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:18" (1/1) ... [2024-11-24 18:17:18,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:17:18,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:18,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-24 18:17:18,637 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-24 18:17:18,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:17:18,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:18,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:18,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:18,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:18,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:17:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:19,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:19,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:17:19,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:17:22,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:17:28,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 18:17:29,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 18:17:29,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-24 18:17:29,964 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-24 18:17:29,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:17:29,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:29,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:29,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:29,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:29,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:17:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:31,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:17:41,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-24 18:17:41,569 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) [2024-11-24 18:17:41,573 INFO L158 Benchmark]: Toolchain (without parser) took 24385.16ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 22.8MB in the end (delta: 38.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 18:17:41,574 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:17:41,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.17ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 49.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:17:41,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.92ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 48.4MB in the end (delta: 921.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:17:41,575 INFO L158 Benchmark]: Boogie Preprocessor took 32.23ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 47.5MB in the end (delta: 937.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:17:41,576 INFO L158 Benchmark]: RCFGBuilder took 1049.79ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 37.5MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:17:41,576 INFO L158 Benchmark]: CodeCheck took 23006.29ms. Allocated memory is still 83.9MB. Free memory was 37.2MB in the beginning and 22.8MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:17:41,578 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 0.38ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.17ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 49.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.92ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 48.4MB in the end (delta: 921.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.23ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 47.5MB in the end (delta: 937.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1049.79ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 37.5MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 23006.29ms. Allocated memory is still 83.9MB. Free memory was 37.2MB in the beginning and 22.8MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-24 18:17:41,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90e7b38a-df30-419e-abdc-666f693a0bf2/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