./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.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_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/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_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/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_b04ba1c5-338a-4868-ba05-a1490f800ca9/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 c065a55f68f899d0f20fc5e1ef687a000c7e9a3454841ed8a67112aa421d143f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:21:16,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:21:16,756 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:21:16,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:21:16,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:21:16,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:21:16,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:21:16,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:21:16,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:21:16,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:21:16,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:21:16,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:21:16,781 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:21:16,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:21:16,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:21:16,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:21:16,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:21:16,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:21:16,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:21:16,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:21:16,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:21:16,782 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:21:16,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:21:16,782 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:21:16,782 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:21:16,782 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:21:16,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:21:16,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:21:16,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:21:16,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:21:16,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:21:16,783 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:21:16,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:21:16,783 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_b04ba1c5-338a-4868-ba05-a1490f800ca9/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 -> c065a55f68f899d0f20fc5e1ef687a000c7e9a3454841ed8a67112aa421d143f [2024-12-06 01:21:16,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:21:16,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:21:17,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:21:17,001 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:21:17,001 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:21:17,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.c [2024-12-06 01:21:19,597 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/data/3abbf4dee/82c8484db87e43ad8b29320b56f5d5e0/FLAGb1e3a0b20 [2024-12-06 01:21:19,810 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:21:19,811 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.c [2024-12-06 01:21:19,818 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/data/3abbf4dee/82c8484db87e43ad8b29320b56f5d5e0/FLAGb1e3a0b20 [2024-12-06 01:21:20,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/data/3abbf4dee/82c8484db87e43ad8b29320b56f5d5e0 [2024-12-06 01:21:20,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:21:20,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:21:20,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:21:20,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:21:20,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:21:20,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:21:20" (1/1) ... [2024-12-06 01:21:20,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6321c492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:20, skipping insertion in model container [2024-12-06 01:21:20,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:21:20" (1/1) ... [2024-12-06 01:21:20,204 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:21:20,321 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_b04ba1c5-338a-4868-ba05-a1490f800ca9/sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.c[1997,2010] [2024-12-06 01:21:20,324 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_b04ba1c5-338a-4868-ba05-a1490f800ca9/sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.c[2366,2379] [2024-12-06 01:21:20,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:21:20,366 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:21:20,376 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_b04ba1c5-338a-4868-ba05-a1490f800ca9/sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.c[1997,2010] [2024-12-06 01:21:20,377 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_b04ba1c5-338a-4868-ba05-a1490f800ca9/sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.c[2366,2379] [2024-12-06 01:21:20,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:21:20,406 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:21:20,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:20 WrapperNode [2024-12-06 01:21:20,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:21:20,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:21:20,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:21:20,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:21:20,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:20" (1/1) ... [2024-12-06 01:21:20,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:20" (1/1) ... [2024-12-06 01:21:20,444 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 168 [2024-12-06 01:21:20,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:21:20,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:21:20,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:21:20,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:21:20,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:20" (1/1) ... [2024-12-06 01:21:20,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:20" (1/1) ... [2024-12-06 01:21:20,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:20" (1/1) ... [2024-12-06 01:21:20,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:20" (1/1) ... [2024-12-06 01:21:20,460 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:20" (1/1) ... [2024-12-06 01:21:20,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:20" (1/1) ... [2024-12-06 01:21:20,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:20" (1/1) ... [2024-12-06 01:21:20,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:20" (1/1) ... [2024-12-06 01:21:20,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:20" (1/1) ... [2024-12-06 01:21:20,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:21:20,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:21:20,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:21:20,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:21:20,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:20" (1/1) ... [2024-12-06 01:21:20,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:21:20,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:21:20,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:21:20,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:21:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:21:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 01:21:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 01:21:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:21:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:21:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:21:20,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:21:20,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:21:20,588 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:21:20,589 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:21:20,890 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-12-06 01:21:20,890 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:21:21,046 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:21:21,046 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 01:21:21,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:21:21 BoogieIcfgContainer [2024-12-06 01:21:21,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:21:21,047 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:21:21,047 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:21:21,057 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:21:21,057 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:21:21" (1/1) ... [2024-12-06 01:21:21,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:21:21,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:21,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2024-12-06 01:21:21,123 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2024-12-06 01:21:21,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:21:21,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:21,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:21:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:21:21,196 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:21:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:21:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:21:21,231 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:21:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:21:21,244 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:21:21,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:21:21 ImpRootNode [2024-12-06 01:21:21,258 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:21:21,259 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:21:21,259 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:21:21,259 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:21:21,259 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:21:21" (3/4) ... [2024-12-06 01:21:21,261 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:21:21,262 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:21:21,262 INFO L158 Benchmark]: Toolchain (without parser) took 1081.08ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 106.2MB in the end (delta: 10.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-06 01:21:21,263 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:21:21,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.37ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 102.5MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:21:21,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.75ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:21:21,264 INFO L158 Benchmark]: Boogie Preprocessor took 26.52ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 99.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:21:21,264 INFO L158 Benchmark]: RCFGBuilder took 574.94ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 56.3MB in the end (delta: 43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:21:21,264 INFO L158 Benchmark]: CodeCheck took 211.22ms. Allocated memory is still 142.6MB. Free memory was 56.3MB in the beginning and 106.2MB in the end (delta: -49.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:21:21,265 INFO L158 Benchmark]: Witness Printer took 2.86ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 106.2MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:21:21,266 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 3 procedures, 43 locations, 2 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: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L47] COND TRUE !(result >= 0.0f && result < 1.398f) [L48] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.37ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 102.5MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.75ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.52ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 99.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 574.94ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 56.3MB in the end (delta: 43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 211.22ms. Allocated memory is still 142.6MB. Free memory was 56.3MB in the beginning and 106.2MB in the end (delta: -49.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.86ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 106.2MB in the end (delta: 15.8kB). 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 01:21:21,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/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_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/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_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/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_b04ba1c5-338a-4868-ba05-a1490f800ca9/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 c065a55f68f899d0f20fc5e1ef687a000c7e9a3454841ed8a67112aa421d143f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:21:23,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:21:23,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:21:23,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:21:23,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:21:23,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:21:23,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:21:23,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:21:23,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:21:23,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:21:23,310 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:21:23,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:21:23,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:21:23,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:21:23,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:21:23,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:21:23,310 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:21:23,310 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:21:23,310 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:21:23,311 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:21:23,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:21:23,311 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:21:23,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:21:23,311 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:21:23,311 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:21:23,311 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:21:23,311 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:23,311 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:21:23,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:21:23,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:21:23,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:21:23,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:21:23,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:21:23,312 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:21:23,312 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:23,312 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:21:23,312 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_b04ba1c5-338a-4868-ba05-a1490f800ca9/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 -> c065a55f68f899d0f20fc5e1ef687a000c7e9a3454841ed8a67112aa421d143f [2024-12-06 01:21:23,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:21:23,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:21:23,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:21:23,564 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:21:23,565 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:21:23,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.c [2024-12-06 01:21:26,234 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/data/805e06e73/53f7e3435222442f9c7f3cdeb460e28c/FLAGed074bd7c [2024-12-06 01:21:26,415 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:21:26,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.c [2024-12-06 01:21:26,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/data/805e06e73/53f7e3435222442f9c7f3cdeb460e28c/FLAGed074bd7c [2024-12-06 01:21:26,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/data/805e06e73/53f7e3435222442f9c7f3cdeb460e28c [2024-12-06 01:21:26,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:21:26,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:21:26,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:21:26,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:21:26,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:21:26,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:21:26" (1/1) ... [2024-12-06 01:21:26,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291abbe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:26, skipping insertion in model container [2024-12-06 01:21:26,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:21:26" (1/1) ... [2024-12-06 01:21:26,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:21:26,933 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_b04ba1c5-338a-4868-ba05-a1490f800ca9/sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.c[1997,2010] [2024-12-06 01:21:26,938 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_b04ba1c5-338a-4868-ba05-a1490f800ca9/sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.c[2366,2379] [2024-12-06 01:21:26,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:21:26,985 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:21:26,995 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_b04ba1c5-338a-4868-ba05-a1490f800ca9/sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.c[1997,2010] [2024-12-06 01:21:26,997 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_b04ba1c5-338a-4868-ba05-a1490f800ca9/sv-benchmarks/c/combinations/square_2+soft_float_5a.c.cil.c[2366,2379] [2024-12-06 01:21:27,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:21:27,027 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:21:27,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:27 WrapperNode [2024-12-06 01:21:27,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:21:27,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:21:27,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:21:27,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:21:27,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:27" (1/1) ... [2024-12-06 01:21:27,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:27" (1/1) ... [2024-12-06 01:21:27,057 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 132 [2024-12-06 01:21:27,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:21:27,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:21:27,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:21:27,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:21:27,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:27" (1/1) ... [2024-12-06 01:21:27,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:27" (1/1) ... [2024-12-06 01:21:27,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:27" (1/1) ... [2024-12-06 01:21:27,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:27" (1/1) ... [2024-12-06 01:21:27,074 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:27" (1/1) ... [2024-12-06 01:21:27,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:27" (1/1) ... [2024-12-06 01:21:27,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:27" (1/1) ... [2024-12-06 01:21:27,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:27" (1/1) ... [2024-12-06 01:21:27,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:27" (1/1) ... [2024-12-06 01:21:27,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:21:27,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:21:27,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:21:27,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:21:27,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:21:27" (1/1) ... [2024-12-06 01:21:27,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:21:27,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:21:27,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:21:27,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:21:27,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:21:27,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:21:27,137 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 01:21:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 01:21:27,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:21:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:21:27,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:21:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:21:27,200 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:21:27,202 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:21:37,656 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-12-06 01:21:37,656 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:21:37,709 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:21:37,709 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 01:21:37,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:21:37 BoogieIcfgContainer [2024-12-06 01:21:37,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:21:37,710 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:21:37,710 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:21:37,720 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:21:37,720 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:21:37" (1/1) ... [2024-12-06 01:21:37,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:21:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:37,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2024-12-06 01:21:37,778 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2024-12-06 01:21:37,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:21:37,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:37,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:37,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:21:37,784 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:21:37,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04ba1c5-338a-4868-ba05-a1490f800ca9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:21:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:21:43,610 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:21:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat