./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL --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 f32113811de2ab4c3fb74e14d99b17c8b125c39361fe4dfe371ba0cd2a7c43ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:03,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:03,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:06:03,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:03,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:03,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:03,492 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:03,492 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:03,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:03,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:03,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:03,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:03,496 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:03,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:03,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:03,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:03,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:03,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:03,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:03,500 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:03,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:03,501 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:03,502 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:03,502 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:03,503 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:03,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:03,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:03,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:03,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:03,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:03,506 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:03,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:03,507 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:03,507 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_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f32113811de2ab4c3fb74e14d99b17c8b125c39361fe4dfe371ba0cd2a7c43ad [2023-11-19 04:06:03,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:03,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:03,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:03,876 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:03,877 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:03,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c [2023-11-19 04:06:06,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:07,091 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:07,092 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c [2023-11-19 04:06:07,103 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/data/68b05dbba/32b94ef4102040bab3c627c3a6135322/FLAG33240f959 [2023-11-19 04:06:07,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/data/68b05dbba/32b94ef4102040bab3c627c3a6135322 [2023-11-19 04:06:07,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:07,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:07,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:07,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:07,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:07,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b2cd0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07, skipping insertion in model container [2023-11-19 04:06:07,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,168 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:07,339 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_ba07a537-3ab0-49f0-a778-a772c82c490e/sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c[1997,2010] [2023-11-19 04:06:07,344 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_ba07a537-3ab0-49f0-a778-a772c82c490e/sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c[2391,2404] [2023-11-19 04:06:07,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:07,398 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:07,414 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_ba07a537-3ab0-49f0-a778-a772c82c490e/sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c[1997,2010] [2023-11-19 04:06:07,416 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_ba07a537-3ab0-49f0-a778-a772c82c490e/sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c[2391,2404] [2023-11-19 04:06:07,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:07,471 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:07,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07 WrapperNode [2023-11-19 04:06:07,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:07,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:07,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:07,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:07,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,507 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2023-11-19 04:06:07,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:07,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:07,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:07,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:07,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:07,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:07,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:07,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:07,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:07" (1/1) ... [2023-11-19 04:06:07,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:07,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:07,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:07,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 04:06:07,640 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 04:06:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-19 04:06:07,641 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-19 04:06:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:07,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:07,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:06:07,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:06:07,715 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:07,717 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:08,081 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:08,274 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:08,274 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:06:08,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:08 BoogieIcfgContainer [2023-11-19 04:06:08,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:08,280 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:08,281 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:08,291 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:08,291 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:08" (1/1) ... [2023-11-19 04:06:08,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:08,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:08,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-11-19 04:06:08,413 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-19 04:06:08,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:06:08,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:08,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:08,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:06:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:08,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:06:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:08,557 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:06:08,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:06:08 ImpRootNode [2023-11-19 04:06:08,579 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:06:08,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:06:08,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:06:08,584 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:06:08,584 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:08" (3/4) ... [2023-11-19 04:06:08,595 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:06:08,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:06:08,599 INFO L158 Benchmark]: Toolchain (without parser) took 1478.60ms. Allocated memory is still 157.3MB. Free memory was 126.0MB in the beginning and 118.2MB in the end (delta: 7.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-11-19 04:06:08,599 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:08,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.09ms. Allocated memory is still 157.3MB. Free memory was 125.5MB in the beginning and 111.4MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:06:08,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.48ms. Allocated memory is still 157.3MB. Free memory was 111.4MB in the beginning and 109.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:08,602 INFO L158 Benchmark]: Boogie Preprocessor took 53.33ms. Allocated memory is still 157.3MB. Free memory was 109.8MB in the beginning and 107.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:08,603 INFO L158 Benchmark]: RCFGBuilder took 716.74ms. Allocated memory is still 157.3MB. Free memory was 107.9MB in the beginning and 68.3MB in the end (delta: 39.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 04:06:08,604 INFO L158 Benchmark]: CodeCheck took 299.28ms. Allocated memory is still 157.3MB. Free memory was 68.3MB in the beginning and 119.3MB in the end (delta: -51.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:08,605 INFO L158 Benchmark]: Witness Printer took 15.92ms. Allocated memory is still 157.3MB. Free memory was 119.3MB in the beginning and 118.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:08,614 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 < 1.399f) 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 0.26ms. Allocated memory is still 125.8MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.09ms. Allocated memory is still 157.3MB. Free memory was 125.5MB in the beginning and 111.4MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.48ms. Allocated memory is still 157.3MB. Free memory was 111.4MB in the beginning and 109.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.33ms. Allocated memory is still 157.3MB. Free memory was 109.8MB in the beginning and 107.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 716.74ms. Allocated memory is still 157.3MB. Free memory was 107.9MB in the beginning and 68.3MB in the end (delta: 39.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 299.28ms. Allocated memory is still 157.3MB. Free memory was 68.3MB in the beginning and 119.3MB in the end (delta: -51.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 15.92ms. Allocated memory is still 157.3MB. Free memory was 119.3MB in the beginning and 118.2MB in the end (delta: 1.1MB). 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 [2023-11-19 04:06:08,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL --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 f32113811de2ab4c3fb74e14d99b17c8b125c39361fe4dfe371ba0cd2a7c43ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:11,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:11,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:06:11,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:11,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:11,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:11,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:11,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:11,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:11,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:11,557 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:11,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:11,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:11,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:11,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:11,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:11,561 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:06:11,561 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:06:11,562 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:06:11,563 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:11,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:11,564 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:11,564 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:11,565 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:11,565 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:11,565 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:11,566 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:11,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:11,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:11,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:11,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:11,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:11,569 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:06:11,569 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:11,570 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:11,570 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:06:11,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:11,570 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_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f32113811de2ab4c3fb74e14d99b17c8b125c39361fe4dfe371ba0cd2a7c43ad [2023-11-19 04:06:11,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:12,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:12,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:12,005 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:12,006 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:12,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c [2023-11-19 04:06:15,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:15,459 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:15,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c [2023-11-19 04:06:15,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/data/4355e5c93/4889b6615cbc48f9abdddf6b06f355a1/FLAG275345697 [2023-11-19 04:06:15,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/data/4355e5c93/4889b6615cbc48f9abdddf6b06f355a1 [2023-11-19 04:06:15,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:15,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:15,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:15,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:15,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:15,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:15" (1/1) ... [2023-11-19 04:06:15,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64eba0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:15, skipping insertion in model container [2023-11-19 04:06:15,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:15" (1/1) ... [2023-11-19 04:06:15,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:15,708 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_ba07a537-3ab0-49f0-a778-a772c82c490e/sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c[1997,2010] [2023-11-19 04:06:15,715 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_ba07a537-3ab0-49f0-a778-a772c82c490e/sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c[2391,2404] [2023-11-19 04:06:15,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:15,820 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:15,848 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_ba07a537-3ab0-49f0-a778-a772c82c490e/sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c[1997,2010] [2023-11-19 04:06:15,851 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_ba07a537-3ab0-49f0-a778-a772c82c490e/sv-benchmarks/c/combinations/square_6+soft_float_4-2a.c.cil.c[2391,2404] [2023-11-19 04:06:15,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:15,944 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:15,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:15 WrapperNode [2023-11-19 04:06:15,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:15,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:15,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:15,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:15,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:15" (1/1) ... [2023-11-19 04:06:15,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:15" (1/1) ... [2023-11-19 04:06:16,029 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2023-11-19 04:06:16,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:16,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:16,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:16,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:16,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:15" (1/1) ... [2023-11-19 04:06:16,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:15" (1/1) ... [2023-11-19 04:06:16,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:15" (1/1) ... [2023-11-19 04:06:16,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:15" (1/1) ... [2023-11-19 04:06:16,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:15" (1/1) ... [2023-11-19 04:06:16,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:15" (1/1) ... [2023-11-19 04:06:16,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:15" (1/1) ... [2023-11-19 04:06:16,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:15" (1/1) ... [2023-11-19 04:06:16,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:16,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:16,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:16,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:16,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:15" (1/1) ... [2023-11-19 04:06:16,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:16,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:16,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:16,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:06:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 04:06:16,208 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 04:06:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-19 04:06:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-19 04:06:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:06:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:06:16,307 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:16,309 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:26,942 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:27,010 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:27,011 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:06:27,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:27 BoogieIcfgContainer [2023-11-19 04:06:27,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:27,025 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:27,026 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:27,035 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:27,036 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:27,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-11-19 04:06:27,105 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-19 04:06:27,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:06:27,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:27,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:27,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:06:27,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:06:27,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba07a537-3ab0-49f0-a778-a772c82c490e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process