./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_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_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4582c3eb38d182065b024eaa1ecbc8cf3ce1cd8f100c8eebac06484d412900d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:36:59,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:36:59,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:36:59,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:36:59,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:36:59,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:36:59,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:36:59,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:36:59,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:36:59,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:36:59,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:36:59,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:36:59,999 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:36:59,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:36:59,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:36:59,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:36:59,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:36:59,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:36:59,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:37:00,000 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:37:00,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:37:00,000 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:37:00,000 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:37:00,000 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:37:00,000 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:37:00,000 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:37:00,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:37:00,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:37:00,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:37:00,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:37:00,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:37:00,001 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:37:00,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:37:00,001 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_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4582c3eb38d182065b024eaa1ecbc8cf3ce1cd8f100c8eebac06484d412900d6 [2024-12-06 03:37:00,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:37:00,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:37:00,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:37:00,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:37:00,248 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:37:00,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2024-12-06 03:37:02,903 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/data/2c202149b/ceec0b48480f4c7d8dc5cafecb849ac6/FLAG9b5c857b1 [2024-12-06 03:37:03,058 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:37:03,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2024-12-06 03:37:03,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/data/2c202149b/ceec0b48480f4c7d8dc5cafecb849ac6/FLAG9b5c857b1 [2024-12-06 03:37:03,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/data/2c202149b/ceec0b48480f4c7d8dc5cafecb849ac6 [2024-12-06 03:37:03,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:37:03,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:37:03,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:37:03,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:37:03,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:37:03,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2391cd02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:03, skipping insertion in model container [2024-12-06 03:37:03,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,101 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:37:03,205 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_31ea6f56-8008-42bc-b980-fca778181375/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c[699,712] [2024-12-06 03:37:03,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:37:03,217 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:37:03,226 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_31ea6f56-8008-42bc-b980-fca778181375/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c[699,712] [2024-12-06 03:37:03,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:37:03,237 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:37:03,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:03 WrapperNode [2024-12-06 03:37:03,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:37:03,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:37:03,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:37:03,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:37:03,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,257 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-12-06 03:37:03,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:37:03,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:37:03,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:37:03,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:37:03,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,266 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:37:03,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:37:03,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:37:03,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:37:03,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:37:03,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:37:03,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:37:03,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:37:03,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:37:03,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:37:03,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:37:03,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:37:03,377 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:37:03,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:37:03,463 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 03:37:03,463 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:37:03,480 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:37:03,480 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:37:03,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:37:03 BoogieIcfgContainer [2024-12-06 03:37:03,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:37:03,481 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:37:03,481 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:37:03,492 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:37:03,492 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:37:03" (1/1) ... [2024-12-06 03:37:03,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:37:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:37:03,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:37:03,546 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:37:03,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:37:03,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:37:03,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:37:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:37:03,615 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:37:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:37:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:37:03,654 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:37:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:37:03,669 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:37:03,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:37:03 ImpRootNode [2024-12-06 03:37:03,684 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:37:03,685 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:37:03,685 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:37:03,685 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:37:03,686 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:37:03" (3/4) ... [2024-12-06 03:37:03,688 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:37:03,689 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:37:03,690 INFO L158 Benchmark]: Toolchain (without parser) took 604.86ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 84.1MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 03:37:03,690 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:37:03,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 151.64ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 106.2MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:37:03,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.75ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:37:03,691 INFO L158 Benchmark]: Boogie Preprocessor took 11.12ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.5MB in the end (delta: 598.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:37:03,691 INFO L158 Benchmark]: RCFGBuilder took 210.56ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 94.6MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:37:03,692 INFO L158 Benchmark]: CodeCheck took 203.76ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 84.3MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:37:03,692 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 84.1MB in the end (delta: 186.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:37:03,694 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 someBinaryFLOATComparisonOperation at line 12. Possible FailurePath: [L1] int __return_main; [L9] float main__x = 1.0; [L10] float main__x1 = main__x / 1.600000023841858; 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 151.64ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 106.2MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.75ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.12ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.5MB in the end (delta: 598.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 210.56ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 94.6MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 203.76ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 84.3MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 84.1MB in the end (delta: 186.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:37:03,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4582c3eb38d182065b024eaa1ecbc8cf3ce1cd8f100c8eebac06484d412900d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:37:05,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:37:05,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:37:05,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:37:05,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:37:05,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:37:05,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:37:05,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:37:05,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:37:05,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:37:05,743 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:37:05,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:37:05,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:37:05,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:37:05,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:37:05,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:37:05,744 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:37:05,744 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:37:05,744 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:37:05,744 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:37:05,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:37:05,744 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:37:05,744 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:37:05,744 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:37:05,745 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:37:05,745 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:37:05,745 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:37:05,745 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:37:05,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:37:05,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:37:05,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:37:05,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:37:05,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:37:05,746 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:37:05,746 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:37:05,746 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:37:05,746 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_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4582c3eb38d182065b024eaa1ecbc8cf3ce1cd8f100c8eebac06484d412900d6 [2024-12-06 03:37:05,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:37:05,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:37:05,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:37:05,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:37:05,990 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:37:05,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2024-12-06 03:37:08,621 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/data/bc83fec3f/364e3753f7d54c8597b6cc058b525060/FLAG382d037e6 [2024-12-06 03:37:08,808 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:37:08,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c [2024-12-06 03:37:08,816 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/data/bc83fec3f/364e3753f7d54c8597b6cc058b525060/FLAG382d037e6 [2024-12-06 03:37:09,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/data/bc83fec3f/364e3753f7d54c8597b6cc058b525060 [2024-12-06 03:37:09,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:37:09,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:37:09,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:37:09,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:37:09,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:37:09,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:37:09" (1/1) ... [2024-12-06 03:37:09,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e6a2c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:09, skipping insertion in model container [2024-12-06 03:37:09,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:37:09" (1/1) ... [2024-12-06 03:37:09,208 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:37:09,325 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_31ea6f56-8008-42bc-b980-fca778181375/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c[699,712] [2024-12-06 03:37:09,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:37:09,339 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:37:09,351 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_31ea6f56-8008-42bc-b980-fca778181375/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i.p+cfa-reducer.c[699,712] [2024-12-06 03:37:09,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:37:09,366 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:37:09,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:09 WrapperNode [2024-12-06 03:37:09,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:37:09,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:37:09,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:37:09,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:37:09,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:09" (1/1) ... [2024-12-06 03:37:09,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:09" (1/1) ... [2024-12-06 03:37:09,388 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-12-06 03:37:09,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:37:09,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:37:09,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:37:09,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:37:09,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:09" (1/1) ... [2024-12-06 03:37:09,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:09" (1/1) ... [2024-12-06 03:37:09,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:09" (1/1) ... [2024-12-06 03:37:09,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:09" (1/1) ... [2024-12-06 03:37:09,401 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:09" (1/1) ... [2024-12-06 03:37:09,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:09" (1/1) ... [2024-12-06 03:37:09,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:09" (1/1) ... [2024-12-06 03:37:09,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:09" (1/1) ... [2024-12-06 03:37:09,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:09" (1/1) ... [2024-12-06 03:37:09,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:37:09,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:37:09,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:37:09,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:37:09,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:37:09" (1/1) ... [2024-12-06 03:37:09,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:37:09,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:37:09,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:37:09,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:37:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:37:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:37:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:37:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:37:09,504 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:37:09,505 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:37:23,230 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 03:37:23,231 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:37:23,254 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:37:23,254 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:37:23,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:37:23 BoogieIcfgContainer [2024-12-06 03:37:23,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:37:23,255 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:37:23,255 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:37:23,262 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:37:23,262 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:37:23" (1/1) ... [2024-12-06 03:37:23,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:37:23,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:37:23,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:37:23,305 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:37:23,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:37:23,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:37:23,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:37:23,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:37:23,309 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:37:23,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:37:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:24,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:37:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:37:34,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:37:34,385 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) [2024-12-06 03:37:34,389 INFO L158 Benchmark]: Toolchain (without parser) took 25199.23ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 39.6MB in the end (delta: 30.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:37:34,389 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:37:34,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.80ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:37:34,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.61ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 57.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:37:34,390 INFO L158 Benchmark]: Boogie Preprocessor took 17.84ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 56.8MB in the end (delta: 921.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:37:34,390 INFO L158 Benchmark]: RCFGBuilder took 13846.85ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 46.8MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:37:34,391 INFO L158 Benchmark]: CodeCheck took 11132.93ms. Allocated memory is still 92.3MB. Free memory was 46.7MB in the beginning and 39.6MB in the end (delta: 7.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:37:34,392 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 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.80ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.61ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 57.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.84ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 56.8MB in the end (delta: 921.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 13846.85ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 46.8MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11132.93ms. Allocated memory is still 92.3MB. Free memory was 46.7MB in the beginning and 39.6MB in the end (delta: 7.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:37:34,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ea6f56-8008-42bc-b980-fca778181375/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown