./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi --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 45357a5e0240095b58abad3d10ee040976002395978a0758aa9a5e9cd37d9633 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:43,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:43,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:12:43,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:43,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:43,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:43,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:43,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:43,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:43,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:43,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:43,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:43,464 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:43,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:43,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:43,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:43,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:43,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:43,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:43,469 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:43,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:43,470 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:43,471 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:43,471 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:43,472 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:43,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:43,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:43,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:43,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:43,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:43,475 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:43,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:43,476 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:43,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45357a5e0240095b58abad3d10ee040976002395978a0758aa9a5e9cd37d9633 [2023-11-24 23:12:43,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:43,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:43,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:43,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:43,794 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:43,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c [2023-11-24 23:12:46,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:47,240 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:47,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c [2023-11-24 23:12:47,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/data/7e0539f3e/5f3d8dd8d7e649cb80094b1e16d9ecfd/FLAG9188aafdc [2023-11-24 23:12:47,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/data/7e0539f3e/5f3d8dd8d7e649cb80094b1e16d9ecfd [2023-11-24 23:12:47,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:47,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:47,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:47,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:47,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:47,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:47" (1/1) ... [2023-11-24 23:12:47,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee1d4c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:47, skipping insertion in model container [2023-11-24 23:12:47,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:47" (1/1) ... [2023-11-24 23:12:47,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:47,558 WARN L240 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_72a90eda-9b61-4659-80dc-e4bb19f725b2/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[1999,2012] [2023-11-24 23:12:47,566 WARN L240 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_72a90eda-9b61-4659-80dc-e4bb19f725b2/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[2368,2381] [2023-11-24 23:12:47,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:47,633 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:47,651 WARN L240 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_72a90eda-9b61-4659-80dc-e4bb19f725b2/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[1999,2012] [2023-11-24 23:12:47,653 WARN L240 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_72a90eda-9b61-4659-80dc-e4bb19f725b2/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[2368,2381] [2023-11-24 23:12:47,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:47,709 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:47,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:47 WrapperNode [2023-11-24 23:12:47,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:47,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:47,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:47,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:47,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:47" (1/1) ... [2023-11-24 23:12:47,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:47" (1/1) ... [2023-11-24 23:12:47,764 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 209 [2023-11-24 23:12:47,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:47,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:47,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:47,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:47,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:47" (1/1) ... [2023-11-24 23:12:47,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:47" (1/1) ... [2023-11-24 23:12:47,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:47" (1/1) ... [2023-11-24 23:12:47,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:47" (1/1) ... [2023-11-24 23:12:47,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:47" (1/1) ... [2023-11-24 23:12:47,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:47" (1/1) ... [2023-11-24 23:12:47,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:47" (1/1) ... [2023-11-24 23:12:47,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:47" (1/1) ... [2023-11-24 23:12:47,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:47,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:47,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:47,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:47,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:47" (1/1) ... [2023-11-24 23:12:47,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:47,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:47,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:47,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 23:12:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 23:12:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:12:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:12:48,055 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:48,058 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:48,661 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:48,964 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:48,964 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:12:48,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:48 BoogieIcfgContainer [2023-11-24 23:12:48,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:48,968 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:48,968 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:48,979 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:48,979 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:48" (1/1) ... [2023-11-24 23:12:48,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:49,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2023-11-24 23:12:49,074 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-11-24 23:12:49,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:12:49,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:49,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:12:49,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:12:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:12:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:12:49,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:12:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:12:49,302 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:12:49,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:12:49 ImpRootNode [2023-11-24 23:12:49,344 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:12:49,346 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:12:49,347 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:12:49,347 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:12:49,348 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:48" (3/4) ... [2023-11-24 23:12:49,352 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:12:49,353 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:12:49,355 INFO L158 Benchmark]: Toolchain (without parser) took 2076.55ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 85.1MB in the beginning and 99.5MB in the end (delta: -14.3MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2023-11-24 23:12:49,355 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:49,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.74ms. Allocated memory is still 130.0MB. Free memory was 84.8MB in the beginning and 69.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:12:49,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.73ms. Allocated memory is still 130.0MB. Free memory was 69.9MB in the beginning and 67.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:12:49,358 INFO L158 Benchmark]: Boogie Preprocessor took 37.13ms. Allocated memory is still 130.0MB. Free memory was 67.5MB in the beginning and 65.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:12:49,359 INFO L158 Benchmark]: RCFGBuilder took 1163.74ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 65.5MB in the beginning and 112.1MB in the end (delta: -46.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-24 23:12:49,361 INFO L158 Benchmark]: CodeCheck took 377.14ms. Allocated memory is still 184.5MB. Free memory was 111.6MB in the beginning and 100.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:12:49,362 INFO L158 Benchmark]: Witness Printer took 6.58ms. Allocated memory is still 184.5MB. Free memory was 100.3MB in the beginning and 99.5MB in the end (delta: 815.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:49,374 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, 53 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L402] COND TRUE __VERIFIER_nondet_int() [L403] 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; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.39844f) VAL [IN=2, x=2] [L48] reach_error() VAL [IN=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.74ms. Allocated memory is still 130.0MB. Free memory was 84.8MB in the beginning and 69.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.73ms. Allocated memory is still 130.0MB. Free memory was 69.9MB in the beginning and 67.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.13ms. Allocated memory is still 130.0MB. Free memory was 67.5MB in the beginning and 65.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1163.74ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 65.5MB in the beginning and 112.1MB in the end (delta: -46.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * CodeCheck took 377.14ms. Allocated memory is still 184.5MB. Free memory was 111.6MB in the beginning and 100.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.58ms. Allocated memory is still 184.5MB. Free memory was 100.3MB in the beginning and 99.5MB in the end (delta: 815.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:12:49,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi --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 45357a5e0240095b58abad3d10ee040976002395978a0758aa9a5e9cd37d9633 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:52,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:52,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:12:52,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:52,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:52,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:52,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:52,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:52,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:52,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:52,555 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:52,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:52,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:52,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:52,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:52,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:52,560 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:12:52,560 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:12:52,561 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:12:52,561 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:52,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:52,562 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:52,563 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:52,563 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:52,564 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:52,564 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:52,565 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:12:52,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:52,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:52,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:52,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:52,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:52,568 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:12:52,569 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:52,569 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:52,570 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:12:52,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:12:52,570 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45357a5e0240095b58abad3d10ee040976002395978a0758aa9a5e9cd37d9633 [2023-11-24 23:12:53,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:53,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:53,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:53,124 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:53,125 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:53,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c [2023-11-24 23:12:56,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:56,746 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:56,746 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c [2023-11-24 23:12:56,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/data/0d22ca886/59f52f499dc54cdf82f5ad82e5d25eb2/FLAG0e87c1585 [2023-11-24 23:12:56,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/data/0d22ca886/59f52f499dc54cdf82f5ad82e5d25eb2 [2023-11-24 23:12:56,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:56,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:56,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:56,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:56,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:56,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14dda4c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56, skipping insertion in model container [2023-11-24 23:12:56,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,819 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:57,041 WARN L240 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_72a90eda-9b61-4659-80dc-e4bb19f725b2/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[1999,2012] [2023-11-24 23:12:57,051 WARN L240 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_72a90eda-9b61-4659-80dc-e4bb19f725b2/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[2368,2381] [2023-11-24 23:12:57,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:57,169 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:57,201 WARN L240 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_72a90eda-9b61-4659-80dc-e4bb19f725b2/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[1999,2012] [2023-11-24 23:12:57,206 WARN L240 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_72a90eda-9b61-4659-80dc-e4bb19f725b2/sv-benchmarks/c/combinations/square_4+soft_float_1-3a.c.cil.c[2368,2381] [2023-11-24 23:12:57,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:57,283 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:57,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:57 WrapperNode [2023-11-24 23:12:57,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:57,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:57,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:57,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:57,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:57" (1/1) ... [2023-11-24 23:12:57,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:57" (1/1) ... [2023-11-24 23:12:57,366 INFO L138 Inliner]: procedures = 28, calls = 21, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-24 23:12:57,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:57,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:57,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:57,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:57,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:57" (1/1) ... [2023-11-24 23:12:57,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:57" (1/1) ... [2023-11-24 23:12:57,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:57" (1/1) ... [2023-11-24 23:12:57,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:57" (1/1) ... [2023-11-24 23:12:57,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:57" (1/1) ... [2023-11-24 23:12:57,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:57" (1/1) ... [2023-11-24 23:12:57,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:57" (1/1) ... [2023-11-24 23:12:57,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:57" (1/1) ... [2023-11-24 23:12:57,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:57,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:57,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:57,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:57,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:57" (1/1) ... [2023-11-24 23:12:57,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:57,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:57,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:57,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:12:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 23:12:57,566 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 23:12:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:57,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:12:57,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:12:57,700 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:57,703 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:08,444 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:08,578 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:08,578 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:13:08,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:08 BoogieIcfgContainer [2023-11-24 23:13:08,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:08,581 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:08,581 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:08,591 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:08,591 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:08" (1/1) ... [2023-11-24 23:13:08,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:08,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:08,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2023-11-24 23:13:08,659 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-11-24 23:13:08,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:13:08,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:08,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:08,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:13:08,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:13:08,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a90eda-9b61-4659-80dc-e4bb19f725b2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process