./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9 --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 5c4c867e245be659b2db84171c62e45b03155ac4269b1a7d8c363c8f991a60db --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:14:39,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:14:39,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:14:39,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:14:39,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:14:39,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:14:39,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:14:39,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:14:39,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:14:39,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:14:39,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:14:39,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:14:39,231 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:14:39,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:14:39,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:14:39,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:14:39,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:14:39,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:14:39,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:14:39,235 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:14:39,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:14:39,236 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:14:39,236 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:14:39,236 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:14:39,237 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:14:39,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:14:39,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:14:39,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:14:39,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:14:39,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:14:39,239 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:14:39,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:14:39,240 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:14:39,240 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_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c4c867e245be659b2db84171c62e45b03155ac4269b1a7d8c363c8f991a60db [2023-12-03 04:14:39,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:14:39,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:14:39,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:14:39,476 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:14:39,477 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:14:39,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c [2023-12-03 04:14:42,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:14:42,372 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:14:42,373 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c [2023-12-03 04:14:42,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/data/933913ae6/811b05c1b9aa4b489cfe4e55b1f14863/FLAG53898c0ef [2023-12-03 04:14:42,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/data/933913ae6/811b05c1b9aa4b489cfe4e55b1f14863 [2023-12-03 04:14:42,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:14:42,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:14:42,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:14:42,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:14:42,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:14:42,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:14:42" (1/1) ... [2023-12-03 04:14:42,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a5ba23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:42, skipping insertion in model container [2023-12-03 04:14:42,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:14:42" (1/1) ... [2023-12-03 04:14:42,445 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:14:42,609 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_777a1aff-2324-469b-9924-07a102f07288/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[1997,2010] [2023-12-03 04:14:42,615 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_777a1aff-2324-469b-9924-07a102f07288/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[2366,2379] [2023-12-03 04:14:42,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:14:42,663 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:14:42,679 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_777a1aff-2324-469b-9924-07a102f07288/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[1997,2010] [2023-12-03 04:14:42,680 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_777a1aff-2324-469b-9924-07a102f07288/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[2366,2379] [2023-12-03 04:14:42,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:14:42,720 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:14:42,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:42 WrapperNode [2023-12-03 04:14:42,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:14:42,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:14:42,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:14:42,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:14:42,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:42" (1/1) ... [2023-12-03 04:14:42,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:42" (1/1) ... [2023-12-03 04:14:42,757 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-12-03 04:14:42,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:14:42,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:14:42,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:14:42,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:14:42,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:42" (1/1) ... [2023-12-03 04:14:42,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:42" (1/1) ... [2023-12-03 04:14:42,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:42" (1/1) ... [2023-12-03 04:14:42,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:42" (1/1) ... [2023-12-03 04:14:42,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:42" (1/1) ... [2023-12-03 04:14:42,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:42" (1/1) ... [2023-12-03 04:14:42,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:42" (1/1) ... [2023-12-03 04:14:42,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:42" (1/1) ... [2023-12-03 04:14:42,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:14:42,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:14:42,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:14:42,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:14:42,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:42" (1/1) ... [2023-12-03 04:14:42,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:14:42,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:14:42,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:14:42,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:14:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:14:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-03 04:14:42,861 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-03 04:14:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:14:42,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:14:42,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:14:42,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:14:42,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:14:42,936 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:14:42,938 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:14:43,245 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:14:43,398 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:14:43,398 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 04:14:43,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:14:43 BoogieIcfgContainer [2023-12-03 04:14:43,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:14:43,401 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:14:43,401 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:14:43,411 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:14:43,411 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:14:43" (1/1) ... [2023-12-03 04:14:43,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:14:43,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:43,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-12-03 04:14:43,475 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-12-03 04:14:43,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:14:43,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:43,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:14:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:14:43,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:14:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:14:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:14:43,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:14:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:14:43,616 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:14:43,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:14:43 ImpRootNode [2023-12-03 04:14:43,637 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:14:43,638 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:14:43,638 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:14:43,638 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:14:43,639 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:14:43" (3/4) ... [2023-12-03 04:14:43,641 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:14:43,642 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:14:43,643 INFO L158 Benchmark]: Toolchain (without parser) took 1241.39ms. Allocated memory is still 151.0MB. Free memory was 113.7MB in the beginning and 83.0MB in the end (delta: 30.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-12-03 04:14:43,644 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:14:43,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.84ms. Allocated memory is still 151.0MB. Free memory was 113.4MB in the beginning and 99.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:14:43,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.18ms. Allocated memory is still 151.0MB. Free memory was 99.1MB in the beginning and 96.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:14:43,646 INFO L158 Benchmark]: Boogie Preprocessor took 30.83ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 95.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:14:43,646 INFO L158 Benchmark]: RCFGBuilder took 610.33ms. Allocated memory is still 151.0MB. Free memory was 95.4MB in the beginning and 94.8MB in the end (delta: 589.2kB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-12-03 04:14:43,647 INFO L158 Benchmark]: CodeCheck took 236.24ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 83.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:14:43,647 INFO L158 Benchmark]: Witness Printer took 4.68ms. Allocated memory is still 151.0MB. Free memory was 83.5MB in the beginning and 83.0MB in the end (delta: 457.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:14:43,651 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 45 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: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; 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 0.18ms. Allocated memory is still 107.0MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.84ms. Allocated memory is still 151.0MB. Free memory was 113.4MB in the beginning and 99.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.18ms. Allocated memory is still 151.0MB. Free memory was 99.1MB in the beginning and 96.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.83ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 95.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 610.33ms. Allocated memory is still 151.0MB. Free memory was 95.4MB in the beginning and 94.8MB in the end (delta: 589.2kB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * CodeCheck took 236.24ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 83.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.68ms. Allocated memory is still 151.0MB. Free memory was 83.5MB in the beginning and 83.0MB in the end (delta: 457.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:14:43,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/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_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9 --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 5c4c867e245be659b2db84171c62e45b03155ac4269b1a7d8c363c8f991a60db --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:14:45,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:14:45,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:14:45,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:14:45,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:14:45,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:14:45,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:14:45,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:14:45,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:14:45,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:14:45,652 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:14:45,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:14:45,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:14:45,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:14:45,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:14:45,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:14:45,655 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:14:45,655 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:14:45,656 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:14:45,656 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:14:45,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:14:45,657 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:14:45,658 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:14:45,658 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:14:45,658 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:14:45,659 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:45,659 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:14:45,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:14:45,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:14:45,661 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:14:45,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:14:45,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:14:45,662 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:14:45,662 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:45,663 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:14:45,663 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:14:45,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:14:45,664 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_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c4c867e245be659b2db84171c62e45b03155ac4269b1a7d8c363c8f991a60db [2023-12-03 04:14:45,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:14:45,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:14:45,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:14:45,965 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:14:45,965 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:14:45,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c [2023-12-03 04:14:48,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:14:48,988 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:14:48,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c [2023-12-03 04:14:48,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/data/a3d013548/3de8dbc8f87044219bed1f9f30364048/FLAGe4bef3a08 [2023-12-03 04:14:49,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/data/a3d013548/3de8dbc8f87044219bed1f9f30364048 [2023-12-03 04:14:49,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:14:49,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:14:49,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:14:49,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:14:49,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:14:49,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:14:49" (1/1) ... [2023-12-03 04:14:49,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea0d610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:49, skipping insertion in model container [2023-12-03 04:14:49,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:14:49" (1/1) ... [2023-12-03 04:14:49,060 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:14:49,228 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_777a1aff-2324-469b-9924-07a102f07288/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[1997,2010] [2023-12-03 04:14:49,234 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_777a1aff-2324-469b-9924-07a102f07288/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[2366,2379] [2023-12-03 04:14:49,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:14:49,286 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:14:49,303 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_777a1aff-2324-469b-9924-07a102f07288/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[1997,2010] [2023-12-03 04:14:49,304 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_777a1aff-2324-469b-9924-07a102f07288/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[2366,2379] [2023-12-03 04:14:49,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:14:49,345 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:14:49,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:49 WrapperNode [2023-12-03 04:14:49,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:14:49,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:14:49,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:14:49,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:14:49,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:49" (1/1) ... [2023-12-03 04:14:49,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:49" (1/1) ... [2023-12-03 04:14:49,391 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-12-03 04:14:49,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:14:49,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:14:49,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:14:49,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:14:49,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:49" (1/1) ... [2023-12-03 04:14:49,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:49" (1/1) ... [2023-12-03 04:14:49,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:49" (1/1) ... [2023-12-03 04:14:49,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:49" (1/1) ... [2023-12-03 04:14:49,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:49" (1/1) ... [2023-12-03 04:14:49,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:49" (1/1) ... [2023-12-03 04:14:49,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:49" (1/1) ... [2023-12-03 04:14:49,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:49" (1/1) ... [2023-12-03 04:14:49,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:14:49,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:14:49,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:14:49,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:14:49,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:49" (1/1) ... [2023-12-03 04:14:49,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:14:49,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:14:49,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:14:49,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:14:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:14:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:14:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-03 04:14:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-03 04:14:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:14:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:14:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:14:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:14:49,603 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:14:49,605 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:15:00,117 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:15:00,185 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:15:00,186 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 04:15:00,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:15:00 BoogieIcfgContainer [2023-12-03 04:15:00,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:15:00,188 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:15:00,188 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:15:00,195 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:15:00,195 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:15:00" (1/1) ... [2023-12-03 04:15:00,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:15:00,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:00,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-12-03 04:15:00,257 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-12-03 04:15:00,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:15:00,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:00,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:00,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:15:00,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:15:00,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:25:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:45,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:25:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:25:56,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:25:56,067 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 04:25:56,070 INFO L158 Benchmark]: Toolchain (without parser) took 667053.06ms. Allocated memory is still 109.1MB. Free memory was 85.3MB in the beginning and 60.8MB in the end (delta: 24.5MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-12-03 04:25:56,071 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:25:56,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.03ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 70.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:25:56,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.08ms. Allocated memory is still 109.1MB. Free memory was 70.4MB in the beginning and 68.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:25:56,072 INFO L158 Benchmark]: Boogie Preprocessor took 36.43ms. Allocated memory is still 109.1MB. Free memory was 68.4MB in the beginning and 66.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:25:56,073 INFO L158 Benchmark]: RCFGBuilder took 10757.54ms. Allocated memory is still 109.1MB. Free memory was 66.5MB in the beginning and 70.0MB in the end (delta: -3.5MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-12-03 04:25:56,073 INFO L158 Benchmark]: CodeCheck took 655881.30ms. Allocated memory is still 109.1MB. Free memory was 70.0MB in the beginning and 60.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 04:25:56,076 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.03ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 70.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.08ms. Allocated memory is still 109.1MB. Free memory was 70.4MB in the beginning and 68.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.43ms. Allocated memory is still 109.1MB. Free memory was 68.4MB in the beginning and 66.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10757.54ms. Allocated memory is still 109.1MB. Free memory was 66.5MB in the beginning and 70.0MB in the end (delta: -3.5MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * CodeCheck took 655881.30ms. Allocated memory is still 109.1MB. Free memory was 70.0MB in the beginning and 60.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:25:56,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777a1aff-2324-469b-9924-07a102f07288/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown