./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_7+soft_float_4-2a.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_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/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_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/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_1f560b23-df69-4d07-ae6d-9d75519cb181/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 44a691d0c7049cc6934dd4c9eebe75a3ba34b64a09862ea689fabb3c0e0e6b0c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:06,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:06,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:53:06,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:06,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:06,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:06,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:06,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:06,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:06,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:06,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:06,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:06,521 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:06,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:06,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:06,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:06,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:06,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:06,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:06,526 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:06,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:06,527 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:06,528 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:06,528 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:06,529 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:06,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:06,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:06,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:06,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:06,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:06,532 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:06,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:06,533 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:06,534 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_1f560b23-df69-4d07-ae6d-9d75519cb181/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a691d0c7049cc6934dd4c9eebe75a3ba34b64a09862ea689fabb3c0e0e6b0c [2023-11-24 22:53:06,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:06,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:06,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:06,827 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:06,829 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:06,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c [2023-11-24 22:53:10,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:10,876 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:10,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c [2023-11-24 22:53:10,890 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/data/6b8a2569e/5046987549ec4c62a337da88abfb74e8/FLAG633f061bd [2023-11-24 22:53:10,908 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/data/6b8a2569e/5046987549ec4c62a337da88abfb74e8 [2023-11-24 22:53:10,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:10,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:10,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:10,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:10,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:10,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:10" (1/1) ... [2023-11-24 22:53:10,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12be5659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:10, skipping insertion in model container [2023-11-24 22:53:10,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:10" (1/1) ... [2023-11-24 22:53:10,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:11,218 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_1f560b23-df69-4d07-ae6d-9d75519cb181/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[1995,2008] [2023-11-24 22:53:11,225 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_1f560b23-df69-4d07-ae6d-9d75519cb181/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[2389,2402] [2023-11-24 22:53:11,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:11,298 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:11,318 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_1f560b23-df69-4d07-ae6d-9d75519cb181/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[1995,2008] [2023-11-24 22:53:11,321 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_1f560b23-df69-4d07-ae6d-9d75519cb181/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[2389,2402] [2023-11-24 22:53:11,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:11,403 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:11,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:11 WrapperNode [2023-11-24 22:53:11,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:11,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:11,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:11,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:11,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:11" (1/1) ... [2023-11-24 22:53:11,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:11" (1/1) ... [2023-11-24 22:53:11,458 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2023-11-24 22:53:11,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:11,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:11,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:11,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:11,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:11" (1/1) ... [2023-11-24 22:53:11,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:11" (1/1) ... [2023-11-24 22:53:11,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:11" (1/1) ... [2023-11-24 22:53:11,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:11" (1/1) ... [2023-11-24 22:53:11,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:11" (1/1) ... [2023-11-24 22:53:11,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:11" (1/1) ... [2023-11-24 22:53:11,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:11" (1/1) ... [2023-11-24 22:53:11,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:11" (1/1) ... [2023-11-24 22:53:11,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:11,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:11,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:11,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:11,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:11" (1/1) ... [2023-11-24 22:53:11,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:11,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:11,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:11,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:53:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:53:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-24 22:53:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-24 22:53:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:53:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:53:11,728 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:11,730 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:12,190 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:12,448 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:12,448 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:53:12,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:12 BoogieIcfgContainer [2023-11-24 22:53:12,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:12,452 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:12,452 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:12,465 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:12,466 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:12" (1/1) ... [2023-11-24 22:53:12,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:12,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:12,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-11-24 22:53:12,544 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-24 22:53:12,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:53:12,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:12,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:12,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:12,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:53:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:53:12,725 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:53:12,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:53:12 ImpRootNode [2023-11-24 22:53:12,758 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:53:12,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:53:12,767 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:53:12,767 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:53:12,768 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:12" (3/4) ... [2023-11-24 22:53:12,777 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:53:12,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:53:12,781 INFO L158 Benchmark]: Toolchain (without parser) took 1866.28ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 82.8MB in the beginning and 85.5MB in the end (delta: -2.7MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:12,782 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:53:12,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.26ms. Allocated memory is still 125.8MB. Free memory was 82.5MB in the beginning and 68.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:53:12,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.80ms. Allocated memory is still 125.8MB. Free memory was 68.4MB in the beginning and 66.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:12,786 INFO L158 Benchmark]: Boogie Preprocessor took 45.00ms. Allocated memory is still 125.8MB. Free memory was 66.4MB in the beginning and 65.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:12,788 INFO L158 Benchmark]: RCFGBuilder took 945.26ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 65.0MB in the beginning and 97.5MB in the end (delta: -32.4MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-11-24 22:53:12,789 INFO L158 Benchmark]: CodeCheck took 307.00ms. Allocated memory is still 157.3MB. Free memory was 97.5MB in the beginning and 86.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:53:12,789 INFO L158 Benchmark]: Witness Printer took 15.63ms. Allocated memory is still 157.3MB. Free memory was 86.1MB in the beginning and 85.5MB in the end (delta: 582.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:53:12,794 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 4 procedures, 49 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 - 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: [L310] COND TRUE __VERIFIER_nondet_int() [L311] 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 < 1.4f) 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 0.30ms. Allocated memory is still 125.8MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.26ms. Allocated memory is still 125.8MB. Free memory was 82.5MB in the beginning and 68.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.80ms. Allocated memory is still 125.8MB. Free memory was 68.4MB in the beginning and 66.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.00ms. Allocated memory is still 125.8MB. Free memory was 66.4MB in the beginning and 65.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 945.26ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 65.0MB in the beginning and 97.5MB in the end (delta: -32.4MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * CodeCheck took 307.00ms. Allocated memory is still 157.3MB. Free memory was 97.5MB in the beginning and 86.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 15.63ms. Allocated memory is still 157.3MB. Free memory was 86.1MB in the beginning and 85.5MB in the end (delta: 582.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:53:12,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/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_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/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_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/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_1f560b23-df69-4d07-ae6d-9d75519cb181/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 44a691d0c7049cc6934dd4c9eebe75a3ba34b64a09862ea689fabb3c0e0e6b0c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:16,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:16,133 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:53:16,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:16,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:16,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:16,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:16,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:16,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:16,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:16,176 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:16,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:16,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:16,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:16,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:16,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:16,180 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:53:16,181 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:53:16,181 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:53:16,182 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:16,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:16,188 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:16,188 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:16,189 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:16,193 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:16,194 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:16,195 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:53:16,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:16,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:16,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:16,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:16,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:16,199 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:53:16,199 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:16,200 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:16,200 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:53:16,200 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:53:16,200 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_1f560b23-df69-4d07-ae6d-9d75519cb181/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a691d0c7049cc6934dd4c9eebe75a3ba34b64a09862ea689fabb3c0e0e6b0c [2023-11-24 22:53:16,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:16,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:16,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:16,718 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:16,718 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:16,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c [2023-11-24 22:53:20,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:20,790 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:20,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c [2023-11-24 22:53:20,804 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/data/ea9eb349d/c30e9733f8514a409ab0db49fa06cc7a/FLAG0464ea0c9 [2023-11-24 22:53:20,822 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/data/ea9eb349d/c30e9733f8514a409ab0db49fa06cc7a [2023-11-24 22:53:20,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:20,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:20,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:20,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:20,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:20,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:20" (1/1) ... [2023-11-24 22:53:20,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c1b112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:20, skipping insertion in model container [2023-11-24 22:53:20,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:20" (1/1) ... [2023-11-24 22:53:20,881 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:21,120 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_1f560b23-df69-4d07-ae6d-9d75519cb181/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[1995,2008] [2023-11-24 22:53:21,128 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_1f560b23-df69-4d07-ae6d-9d75519cb181/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[2389,2402] [2023-11-24 22:53:21,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:21,262 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:21,304 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_1f560b23-df69-4d07-ae6d-9d75519cb181/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[1995,2008] [2023-11-24 22:53:21,308 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_1f560b23-df69-4d07-ae6d-9d75519cb181/sv-benchmarks/c/combinations/square_7+soft_float_4-2a.c.cil.c[2389,2402] [2023-11-24 22:53:21,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:21,453 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:21,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:21 WrapperNode [2023-11-24 22:53:21,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:21,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:21,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:21,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:21,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:21" (1/1) ... [2023-11-24 22:53:21,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:21" (1/1) ... [2023-11-24 22:53:21,534 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2023-11-24 22:53:21,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:21,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:21,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:21,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:21,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:21" (1/1) ... [2023-11-24 22:53:21,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:21" (1/1) ... [2023-11-24 22:53:21,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:21" (1/1) ... [2023-11-24 22:53:21,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:21" (1/1) ... [2023-11-24 22:53:21,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:21" (1/1) ... [2023-11-24 22:53:21,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:21" (1/1) ... [2023-11-24 22:53:21,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:21" (1/1) ... [2023-11-24 22:53:21,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:21" (1/1) ... [2023-11-24 22:53:21,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:21,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:21,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:21,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:21,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:21" (1/1) ... [2023-11-24 22:53:21,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:21,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:21,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:21,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:53:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:53:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:53:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-24 22:53:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-24 22:53:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:53:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:53:21,893 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:21,898 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:26,777 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:26,921 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:26,923 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:53:26,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:26 BoogieIcfgContainer [2023-11-24 22:53:26,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:26,928 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:26,928 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:26,942 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:26,942 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:26" (1/1) ... [2023-11-24 22:53:26,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:27,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:27,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-11-24 22:53:27,044 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-24 22:53:27,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:53:27,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:27,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:53:27,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:53:27,049 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:53:27,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f560b23-df69-4d07-ae6d-9d75519cb181/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process