./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test08.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_8b4a60c9-df00-486c-a8a8-3a3aa2489067/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/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_8b4a60c9-df00-486c-a8a8-3a3aa2489067/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/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_8b4a60c9-df00-486c-a8a8-3a3aa2489067/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 55f41c66c50792cda5d5bbe104482e2cd600942b05623220f52aeb9f6286617d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:34:13,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:34:13,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-09 00:34:13,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:34:13,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:34:14,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:34:14,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:34:14,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:34:14,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:34:14,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:34:14,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:34:14,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:34:14,031 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:34:14,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:34:14,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:34:14,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:34:14,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:34:14,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:34:14,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:34:14,038 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:34:14,038 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:34:14,039 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:34:14,039 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:34:14,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:34:14,042 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:34:14,043 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:34:14,043 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:34:14,043 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:34:14,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:34:14,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:34:14,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:34:14,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:34:14,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:34:14,046 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:34:14,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:34:14,048 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_8b4a60c9-df00-486c-a8a8-3a3aa2489067/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55f41c66c50792cda5d5bbe104482e2cd600942b05623220f52aeb9f6286617d [2024-11-09 00:34:14,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:34:14,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:34:14,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:34:14,397 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:34:14,398 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:34:14,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-regression/test08.c Unable to find full path for "g++" [2024-11-09 00:34:16,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:34:16,822 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:34:16,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/sv-benchmarks/c/ldv-regression/test08.c [2024-11-09 00:34:16,835 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/bin/ukojak-verify-ImItNfHLgk/data/6809a1fce/9d71dcc939f747e2b561c8d37fa4092e/FLAG5dccd0750 [2024-11-09 00:34:16,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/bin/ukojak-verify-ImItNfHLgk/data/6809a1fce/9d71dcc939f747e2b561c8d37fa4092e [2024-11-09 00:34:16,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:34:16,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:34:16,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:34:16,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:34:16,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:34:16,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2ce750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:16, skipping insertion in model container [2024-11-09 00:34:16,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,905 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:34:17,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:34:17,190 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:34:17,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:34:17,231 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:34:17,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:17 WrapperNode [2024-11-09 00:34:17,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:34:17,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:34:17,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:34:17,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:34:17,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:17" (1/1) ... [2024-11-09 00:34:17,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:17" (1/1) ... [2024-11-09 00:34:17,272 INFO L138 Inliner]: procedures = 12, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-09 00:34:17,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:34:17,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:34:17,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:34:17,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:34:17,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:17" (1/1) ... [2024-11-09 00:34:17,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:17" (1/1) ... [2024-11-09 00:34:17,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:17" (1/1) ... [2024-11-09 00:34:17,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:17" (1/1) ... [2024-11-09 00:34:17,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:17" (1/1) ... [2024-11-09 00:34:17,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:17" (1/1) ... [2024-11-09 00:34:17,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:17" (1/1) ... [2024-11-09 00:34:17,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:17" (1/1) ... [2024-11-09 00:34:17,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:34:17,296 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:34:17,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:34:17,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:34:17,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:17" (1/1) ... [2024-11-09 00:34:17,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:34:17,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:34:17,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:34:17,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:34:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:34:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:34:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:34:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:34:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:34:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:34:17,482 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:34:17,485 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:34:17,691 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-09 00:34:17,691 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:34:17,786 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:34:17,787 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:34:17,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:34:17 BoogieIcfgContainer [2024-11-09 00:34:17,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:34:17,789 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:34:17,789 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:34:17,802 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:34:17,803 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:34:17" (1/1) ... [2024-11-09 00:34:17,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:34:17,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:17,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2024-11-09 00:34:17,895 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-11-09 00:34:17,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 00:34:17,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:17,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:18,362 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 00:34:18,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:18,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2024-11-09 00:34:18,410 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2024-11-09 00:34:18,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:34:18,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:18,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:18,530 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 00:34:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:18,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2024-11-09 00:34:18,550 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-11-09 00:34:18,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:34:18,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:18,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:19,011 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 00:34:19,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:19,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2024-11-09 00:34:19,202 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-11-09 00:34:19,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:34:19,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:19,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:19,539 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 00:34:19,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:19,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-11-09 00:34:19,709 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-09 00:34:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:34:19,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:19,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:20,079 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 00:34:20,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:20,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-11-09 00:34:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-09 00:34:20,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:34:20,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:20,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:20,648 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 00:34:21,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:21,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-11-09 00:34:21,161 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-09 00:34:21,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:34:21,162 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-09 00:34:21,172 INFO L729 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-11-09 00:34:21,239 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-09 00:34:21,239 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:34:21,241 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-09 00:34:21,242 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-09 00:34:21,242 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (and (= ~p1~0.offset |~#a~0.offset|) (not (= ~p2~0.base |~#a~0.base|)) (= |~#a~0.base| ~p1~0.base) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1) (= 5 |ULTIMATE.start_main_#t~post8#1|)) [2024-11-09 00:34:21,242 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (and (= ~p1~0.offset |~#a~0.offset|) (not (= ~p2~0.base |~#a~0.base|)) (= |~#a~0.base| ~p1~0.base) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1) (= 5 |ULTIMATE.start_main_#t~post8#1|)) [2024-11-09 00:34:21,242 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:34:21,243 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-09 00:34:21,243 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-09 00:34:21,246 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-09 00:34:21,246 INFO L77 FloydHoareUtils]: At program point L10(line 10) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (and (= |ULTIMATE.start_f_#t~mem5#1| 1) (<= .cse0 |ULTIMATE.start_f_#t~mem4#1|) (<= |ULTIMATE.start_f_#t~mem4#1| 4) (<= 4 .cse0))) [2024-11-09 00:34:21,247 INFO L77 FloydHoareUtils]: At program point L10-1(line 10) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (and (= |ULTIMATE.start_f_#t~mem5#1| 1) (<= .cse0 |ULTIMATE.start_f_#t~mem4#1|) (<= |ULTIMATE.start_f_#t~mem4#1| 4) (<= 4 .cse0))) [2024-11-09 00:34:21,247 INFO L77 FloydHoareUtils]: At program point L10-2(line 10) the Hoare annotation is: (and (= |ULTIMATE.start_f_#t~mem5#1| 1) (<= (+ |ULTIMATE.start_f_#t~mem5#1| |ULTIMATE.start_f_#t~mem4#1|) (+ 2147483643 |ULTIMATE.start_f_#t~mem6#1|)) (<= |ULTIMATE.start_f_#t~mem6#1| |ULTIMATE.start_f_#t~mem4#1|)) [2024-11-09 00:34:21,247 INFO L77 FloydHoareUtils]: At program point L10-3(line 10) the Hoare annotation is: (<= (+ |ULTIMATE.start_f_#t~mem5#1| |ULTIMATE.start_f_#t~mem4#1|) (+ 2147483643 |ULTIMATE.start_f_#t~mem6#1|)) [2024-11-09 00:34:21,257 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem5 [2024-11-09 00:34:21,258 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem4 [2024-11-09 00:34:21,261 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem6 [2024-11-09 00:34:21,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:34:21 ImpRootNode [2024-11-09 00:34:21,262 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:34:21,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:34:21,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:34:21,263 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:34:21,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:34:17" (3/4) ... [2024-11-09 00:34:21,267 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:34:21,275 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 00:34:21,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 00:34:21,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:34:21,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 00:34:21,402 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:34:21,403 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:34:21,403 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:34:21,404 INFO L158 Benchmark]: Toolchain (without parser) took 4537.93ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 105.4MB in the beginning and 166.9MB in the end (delta: -61.4MB). Peak memory consumption was 112.4MB. Max. memory is 16.1GB. [2024-11-09 00:34:21,404 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 138.4MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:34:21,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.63ms. Allocated memory is still 138.4MB. Free memory was 105.0MB in the beginning and 93.3MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:34:21,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.07ms. Allocated memory is still 138.4MB. Free memory was 93.3MB in the beginning and 91.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:34:21,405 INFO L158 Benchmark]: Boogie Preprocessor took 22.01ms. Allocated memory is still 138.4MB. Free memory was 91.6MB in the beginning and 90.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:34:21,409 INFO L158 Benchmark]: RCFGBuilder took 491.61ms. Allocated memory is still 138.4MB. Free memory was 90.4MB in the beginning and 75.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:34:21,409 INFO L158 Benchmark]: CodeCheck took 3473.60ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 75.8MB in the beginning and 61.9MB in the end (delta: 13.9MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2024-11-09 00:34:21,409 INFO L158 Benchmark]: Witness Printer took 140.09ms. Allocated memory is still 201.3MB. Free memory was 61.8MB in the beginning and 166.9MB in the end (delta: -105.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:34:21,411 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, 14 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 213 IncrementalHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 0 mSDtfsCounter, 213 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 148 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 554 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 138.4MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.63ms. Allocated memory is still 138.4MB. Free memory was 105.0MB in the beginning and 93.3MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.07ms. Allocated memory is still 138.4MB. Free memory was 93.3MB in the beginning and 91.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.01ms. Allocated memory is still 138.4MB. Free memory was 91.6MB in the beginning and 90.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 491.61ms. Allocated memory is still 138.4MB. Free memory was 90.4MB in the beginning and 75.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 3473.60ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 75.8MB in the beginning and 61.9MB in the end (delta: 13.9MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. * Witness Printer took 140.09ms. Allocated memory is still 201.3MB. Free memory was 61.8MB in the beginning and 166.9MB in the end (delta: -105.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem6 RESULT: Ultimate proved your program to be correct! [2024-11-09 00:34:21,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b4a60c9-df00-486c-a8a8-3a3aa2489067/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