./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/inv_square_int.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/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_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_int.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:21:59,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:22:00,080 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:22:00,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:22:00,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:22:00,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:22:00,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:22:00,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:22:00,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:22:00,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:22:00,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:22:00,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:22:00,111 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:22:00,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:22:00,112 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:22:00,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:22:00,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:22:00,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:22:00,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:22:00,114 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:22:00,115 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:22:00,115 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:22:00,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:22:00,116 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:22:00,116 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:22:00,117 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:22:00,117 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:22:00,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:22:00,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:22:00,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:22:00,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:22:00,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:22:00,119 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:22:00,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:22:00,119 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:22:00,120 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_ab2003fd-5247-42ee-bc18-51860d097429/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d [2023-12-02 22:22:00,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:22:00,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:22:00,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:22:00,389 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:22:00,389 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:22:00,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/inv_square_int.c [2023-12-02 22:22:03,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:22:03,249 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:22:03,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/sv-benchmarks/c/float-benchs/inv_square_int.c [2023-12-02 22:22:03,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9/data/899f08458/9406ed425d284fbabc5bfa59c2af272a/FLAG6059bd893 [2023-12-02 22:22:03,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9/data/899f08458/9406ed425d284fbabc5bfa59c2af272a [2023-12-02 22:22:03,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:22:03,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:22:03,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:22:03,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:22:03,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:22:03,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:22:03" (1/1) ... [2023-12-02 22:22:03,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7ff25a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:03, skipping insertion in model container [2023-12-02 22:22:03,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:22:03" (1/1) ... [2023-12-02 22:22:03,296 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:22:03,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:22:03,435 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:22:03,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:22:03,472 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:22:03,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:03 WrapperNode [2023-12-02 22:22:03,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:22:03,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:22:03,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:22:03,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:22:03,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:03" (1/1) ... [2023-12-02 22:22:03,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:03" (1/1) ... [2023-12-02 22:22:03,518 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 34 [2023-12-02 22:22:03,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:22:03,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:22:03,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:22:03,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:22:03,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:03" (1/1) ... [2023-12-02 22:22:03,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:03" (1/1) ... [2023-12-02 22:22:03,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:03" (1/1) ... [2023-12-02 22:22:03,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:03" (1/1) ... [2023-12-02 22:22:03,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:03" (1/1) ... [2023-12-02 22:22:03,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:03" (1/1) ... [2023-12-02 22:22:03,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:03" (1/1) ... [2023-12-02 22:22:03,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:03" (1/1) ... [2023-12-02 22:22:03,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:22:03,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:22:03,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:22:03,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:22:03,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:03" (1/1) ... [2023-12-02 22:22:03,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:22:03,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:22:03,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:22:03,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:22:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:22:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:22:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:22:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:22:03,653 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:22:03,655 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:22:03,748 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:22:03,802 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:22:03,803 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:22:03,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:22:03 BoogieIcfgContainer [2023-12-02 22:22:03,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:22:03,806 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:22:03,806 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:22:03,816 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:22:03,816 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:22:03" (1/1) ... [2023-12-02 22:22:03,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:22:03,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2023-12-02 22:22:03,882 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2023-12-02 22:22:03,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 22:22:03,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:22:03,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:22:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:04,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:22:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:04,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 5 states and 4 transitions. [2023-12-02 22:22:04,017 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2023-12-02 22:22:04,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 22:22:04,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:22:04,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:22:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:04,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:22:04,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:22:04,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:22:04,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:04,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-12-02 22:22:04,130 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-12-02 22:22:04,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:22:04,130 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-12-02 22:22:04,137 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-12-02 22:22:04,151 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-12-02 22:22:04,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:22:04 ImpRootNode [2023-12-02 22:22:04,158 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:22:04,158 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:22:04,158 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:22:04,159 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:22:04,159 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:22:03" (3/4) ... [2023-12-02 22:22:04,161 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:22:04,166 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-12-02 22:22:04,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 22:22:04,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 22:22:04,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:22:04,238 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:22:04,239 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:22:04,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:22:04,240 INFO L158 Benchmark]: Toolchain (without parser) took 966.65ms. Allocated memory is still 199.2MB. Free memory was 168.2MB in the beginning and 133.1MB in the end (delta: 35.2MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-12-02 22:22:04,240 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:22:04,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.79ms. Allocated memory is still 199.2MB. Free memory was 168.2MB in the beginning and 168.7MB in the end (delta: -499.8kB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-12-02 22:22:04,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.97ms. Allocated memory is still 199.2MB. Free memory was 168.7MB in the beginning and 167.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:22:04,242 INFO L158 Benchmark]: Boogie Preprocessor took 16.38ms. Allocated memory is still 199.2MB. Free memory was 167.4MB in the beginning and 166.6MB in the end (delta: 782.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:22:04,242 INFO L158 Benchmark]: RCFGBuilder took 268.62ms. Allocated memory is still 199.2MB. Free memory was 166.6MB in the beginning and 154.0MB in the end (delta: 12.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:22:04,243 INFO L158 Benchmark]: CodeCheck took 352.12ms. Allocated memory is still 199.2MB. Free memory was 154.0MB in the beginning and 137.3MB in the end (delta: 16.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:22:04,243 INFO L158 Benchmark]: Witness Printer took 80.69ms. Allocated memory is still 199.2MB. Free memory was 137.3MB in the beginning and 133.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:22:04,245 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 1 procedures, 6 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((x <= 10) && (0 <= (x + 10))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.79ms. Allocated memory is still 199.2MB. Free memory was 168.2MB in the beginning and 168.7MB in the end (delta: -499.8kB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.97ms. Allocated memory is still 199.2MB. Free memory was 168.7MB in the beginning and 167.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.38ms. Allocated memory is still 199.2MB. Free memory was 167.4MB in the beginning and 166.6MB in the end (delta: 782.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 268.62ms. Allocated memory is still 199.2MB. Free memory was 166.6MB in the beginning and 154.0MB in the end (delta: 12.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 352.12ms. Allocated memory is still 199.2MB. Free memory was 154.0MB in the beginning and 137.3MB in the end (delta: 16.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 80.69ms. Allocated memory is still 199.2MB. Free memory was 137.3MB in the beginning and 133.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 22:22:04,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab2003fd-5247-42ee-bc18-51860d097429/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 Writing output log to file Ultimate.log Result: TRUE