./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk --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 56797e61f5ee281c00742e683df6d32e4d423773c50b7f1c748881e4f8402597 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:06:43,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:06:43,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-09 00:06:43,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:06:43,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:06:43,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:06:43,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:06:43,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:06:43,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:06:43,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:06:43,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:06:43,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:06:43,410 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:06:43,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:06:43,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:06:43,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:06:43,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:06:43,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:06:43,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:06:43,418 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:06:43,418 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:06:43,419 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:06:43,419 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:06:43,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:06:43,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:06:43,421 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:06:43,422 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:06:43,422 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:06:43,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:06:43,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:06:43,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:06:43,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:06:43,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:06:43,426 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:06:43,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:06:43,427 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_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56797e61f5ee281c00742e683df6d32e4d423773c50b7f1c748881e4f8402597 [2024-11-09 00:06:43,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:06:43,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:06:43,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:06:43,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:06:43,749 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:06:43,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i Unable to find full path for "g++" [2024-11-09 00:06:45,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:06:45,945 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:06:45,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i [2024-11-09 00:06:45,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/data/9605c1597/76581d0e0d7a4849af3507dd9b5d5444/FLAGf573398f7 [2024-11-09 00:06:46,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/data/9605c1597/76581d0e0d7a4849af3507dd9b5d5444 [2024-11-09 00:06:46,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:06:46,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:06:46,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:06:46,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:06:46,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:06:46,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:46" (1/1) ... [2024-11-09 00:06:46,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25610b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:46, skipping insertion in model container [2024-11-09 00:06:46,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:46" (1/1) ... [2024-11-09 00:06:46,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:06:46,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:06:46,505 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:06:46,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:06:46,537 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:06:46,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:46 WrapperNode [2024-11-09 00:06:46,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:06:46,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:06:46,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:06:46,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:06:46,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:46" (1/1) ... [2024-11-09 00:06:46,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:46" (1/1) ... [2024-11-09 00:06:46,566 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 36 [2024-11-09 00:06:46,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:06:46,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:06:46,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:06:46,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:06:46,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:46" (1/1) ... [2024-11-09 00:06:46,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:46" (1/1) ... [2024-11-09 00:06:46,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:46" (1/1) ... [2024-11-09 00:06:46,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:46" (1/1) ... [2024-11-09 00:06:46,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:46" (1/1) ... [2024-11-09 00:06:46,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:46" (1/1) ... [2024-11-09 00:06:46,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:46" (1/1) ... [2024-11-09 00:06:46,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:46" (1/1) ... [2024-11-09 00:06:46,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:06:46,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:06:46,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:06:46,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:06:46,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:46" (1/1) ... [2024-11-09 00:06:46,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:06:46,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:06:46,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:06:46,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:06:46,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:06:46,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:06:46,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:06:46,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:06:46,717 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:06:46,719 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:06:46,860 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 00:06:46,860 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:06:46,912 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:06:46,912 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:06:46,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:46 BoogieIcfgContainer [2024-11-09 00:06:46,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:06:46,914 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:06:46,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:06:46,924 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:06:46,925 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:46" (1/1) ... [2024-11-09 00:06:46,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:06:46,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-09 00:06:46,989 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-09 00:06:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:06:46,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:46,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:47,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:47,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:47,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-09 00:06:47,305 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-09 00:06:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:06:47,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:47,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:47,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:47,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:47,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-09 00:06:47,435 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-09 00:06:47,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:06:47,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:47,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:47,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:47,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-09 00:06:47,897 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-09 00:06:47,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:06:47,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:47,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:47,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:48,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:48,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-09 00:06:48,362 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-09 00:06:48,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:06:48,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:48,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:48,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:48,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:48,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-09 00:06:48,803 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-09 00:06:48,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:06:48,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:48,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:48,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:48,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-09 00:06:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-09 00:06:48,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:06:48,997 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-09 00:06:49,005 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-09 00:06:49,122 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2024-11-09 00:06:49,122 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:06:49,123 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2024-11-09 00:06:49,123 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 99) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-11-09 00:06:49,123 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 99) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-11-09 00:06:49,124 INFO L77 FloydHoareUtils]: At program point L23-1(lines 23 26) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 99) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 99)) [2024-11-09 00:06:49,124 INFO L77 FloydHoareUtils]: At program point L23-3(lines 23 26) the Hoare annotation is: (or (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (< 99 |ULTIMATE.start_main_~x~0#1|)) [2024-11-09 00:06:49,124 INFO L77 FloydHoareUtils]: At program point L23-4(lines 23 26) the Hoare annotation is: true [2024-11-09 00:06:49,124 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:06:49,125 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 19 29) the Hoare annotation is: true [2024-11-09 00:06:49,125 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2024-11-09 00:06:49,125 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2024-11-09 00:06:49,125 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 99) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 99)) [2024-11-09 00:06:49,126 INFO L77 FloydHoareUtils]: At program point L24-1(line 24) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 99) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 99)) [2024-11-09 00:06:49,126 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) [2024-11-09 00:06:49,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:06:49 ImpRootNode [2024-11-09 00:06:49,141 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:06:49,141 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:06:49,141 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:06:49,142 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:06:49,143 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:46" (3/4) ... [2024-11-09 00:06:49,145 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:06:49,154 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 00:06:49,155 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 00:06:49,156 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:06:49,156 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:06:49,251 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:06:49,252 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:06:49,252 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:06:49,253 INFO L158 Benchmark]: Toolchain (without parser) took 2963.63ms. Allocated memory is still 186.6MB. Free memory was 153.5MB in the beginning and 98.3MB in the end (delta: 55.2MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-11-09 00:06:49,253 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:06:49,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.95ms. Allocated memory is still 186.6MB. Free memory was 153.5MB in the beginning and 141.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:06:49,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.57ms. Allocated memory is still 186.6MB. Free memory was 141.3MB in the beginning and 140.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:06:49,254 INFO L158 Benchmark]: Boogie Preprocessor took 21.56ms. Allocated memory is still 186.6MB. Free memory was 140.0MB in the beginning and 139.2MB in the end (delta: 789.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:06:49,255 INFO L158 Benchmark]: RCFGBuilder took 323.39ms. Allocated memory is still 186.6MB. Free memory was 139.2MB in the beginning and 126.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:06:49,255 INFO L158 Benchmark]: CodeCheck took 2227.17ms. Allocated memory is still 186.6MB. Free memory was 126.6MB in the beginning and 102.5MB in the end (delta: 24.1MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-11-09 00:06:49,256 INFO L158 Benchmark]: Witness Printer took 110.71ms. Allocated memory is still 186.6MB. Free memory was 102.5MB in the beginning and 98.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:06:49,258 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 149 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 508 IncrementalHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 0 mSDtfsCounter, 508 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 426 GetRequests, 360 SyntacticMatches, 18 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 8/8 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((0 <= (x + 2147483648)) && (0 <= (y + 2147483648))) || (99 < x)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.95ms. Allocated memory is still 186.6MB. Free memory was 153.5MB in the beginning and 141.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.57ms. Allocated memory is still 186.6MB. Free memory was 141.3MB in the beginning and 140.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.56ms. Allocated memory is still 186.6MB. Free memory was 140.0MB in the beginning and 139.2MB in the end (delta: 789.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 323.39ms. Allocated memory is still 186.6MB. Free memory was 139.2MB in the beginning and 126.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 2227.17ms. Allocated memory is still 186.6MB. Free memory was 126.6MB in the beginning and 102.5MB in the end (delta: 24.1MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Witness Printer took 110.71ms. Allocated memory is still 186.6MB. Free memory was 102.5MB in the beginning and 98.3MB 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! [2024-11-09 00:06:49,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955b454-2ebb-4233-9d04-f20c6155c456/bin/ukojak-verify-ImItNfHLgk/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