./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/UpAndDown.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/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_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/UpAndDown.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/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 64bit --witnessprinter.graph.data.programhash 1a3ce217426a55eb46107f2cdf23c10dcc5d92a99768880786a980fae67c3971 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:09:33,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:09:33,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:09:33,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:09:33,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:09:33,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:09:33,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:09:33,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:09:33,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:09:33,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:09:33,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:09:33,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:09:33,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:09:33,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:09:33,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:09:33,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:09:33,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:09:33,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:09:33,465 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:09:33,467 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:09:33,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:09:33,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:09:33,472 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:09:33,472 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:09:33,472 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:09:33,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:09:33,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:09:33,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:09:33,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:09:33,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:09:33,474 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:09:33,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:09:33,475 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_89035274-2cbf-4bc4-9394-e62255b722d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a3ce217426a55eb46107f2cdf23c10dcc5d92a99768880786a980fae67c3971 [2024-11-09 00:09:33,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:09:33,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:09:33,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:09:33,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:09:33,805 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:09:33,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-restricted-15/UpAndDown.c Unable to find full path for "g++" [2024-11-09 00:09:35,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:09:36,017 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:09:36,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/sv-benchmarks/c/termination-restricted-15/UpAndDown.c [2024-11-09 00:09:36,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk/data/5aac509d7/15bfaee2d34049828f823d7335121f5f/FLAG49c7acd17 [2024-11-09 00:09:36,358 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk/data/5aac509d7/15bfaee2d34049828f823d7335121f5f [2024-11-09 00:09:36,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:09:36,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:09:36,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:09:36,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:09:36,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:09:36,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:09:36" (1/1) ... [2024-11-09 00:09:36,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f4f532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:36, skipping insertion in model container [2024-11-09 00:09:36,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:09:36" (1/1) ... [2024-11-09 00:09:36,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:09:36,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:09:36,596 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:09:36,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:09:36,630 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:09:36,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:36 WrapperNode [2024-11-09 00:09:36,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:09:36,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:09:36,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:09:36,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:09:36,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:36" (1/1) ... [2024-11-09 00:09:36,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:36" (1/1) ... [2024-11-09 00:09:36,665 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2024-11-09 00:09:36,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:09:36,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:09:36,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:09:36,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:09:36,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:36" (1/1) ... [2024-11-09 00:09:36,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:36" (1/1) ... [2024-11-09 00:09:36,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:36" (1/1) ... [2024-11-09 00:09:36,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:36" (1/1) ... [2024-11-09 00:09:36,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:36" (1/1) ... [2024-11-09 00:09:36,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:36" (1/1) ... [2024-11-09 00:09:36,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:36" (1/1) ... [2024-11-09 00:09:36,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:36" (1/1) ... [2024-11-09 00:09:36,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:09:36,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:09:36,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:09:36,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:09:36,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:36" (1/1) ... [2024-11-09 00:09:36,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:09:36,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:09:36,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:09:36,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:09:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:09:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:09:36,870 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:09:36,873 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:09:37,001 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 00:09:37,001 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:09:37,059 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:09:37,060 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:09:37,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:09:37 BoogieIcfgContainer [2024-11-09 00:09:37,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:09:37,062 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:09:37,062 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:09:37,072 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:09:37,073 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:09:37" (1/1) ... [2024-11-09 00:09:37,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:09:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:37,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-09 00:09:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-09 00:09:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:09:37,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:37,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:37,312 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 00:09:37,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:37,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-09 00:09:37,363 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-09 00:09:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:09:37,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:37,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:37,450 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 00:09:37,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:37,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-09 00:09:37,509 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-09 00:09:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:09:37,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:37,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:37,587 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 00:09:37,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:37,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-09 00:09:37,732 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-09 00:09:37,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:09:37,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:37,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:37,826 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 00:09:38,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-09 00:09:38,019 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-09 00:09:38,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:09:38,020 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-09 00:09:38,030 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-09 00:09:38,078 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2024-11-09 00:09:38,078 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:09:38,079 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2024-11-09 00:09:38,080 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2024-11-09 00:09:38,081 INFO L77 FloydHoareUtils]: At program point L21-1(line 21) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 2147483647) [2024-11-09 00:09:38,081 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 10) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))) [2024-11-09 00:09:38,081 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 10) [2024-11-09 00:09:38,086 INFO L77 FloydHoareUtils]: At program point L15-1(lines 11 23) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 10) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2024-11-09 00:09:38,086 INFO L77 FloydHoareUtils]: At program point L11-1(lines 11 23) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 10) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2024-11-09 00:09:38,086 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:09:38,087 INFO L77 FloydHoareUtils]: At program point L11-3(lines 11 23) the Hoare annotation is: true [2024-11-09 00:09:38,087 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2024-11-09 00:09:38,087 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2024-11-09 00:09:38,087 INFO L77 FloydHoareUtils]: At program point L18-1(lines 11 23) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 2147483647) [2024-11-09 00:09:38,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:09:38 ImpRootNode [2024-11-09 00:09:38,111 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:09:38,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:09:38,115 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:09:38,115 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:09:38,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:09:37" (3/4) ... [2024-11-09 00:09:38,119 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:09:38,130 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-09 00:09:38,132 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 00:09:38,132 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 00:09:38,248 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:09:38,249 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:09:38,249 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:09:38,250 INFO L158 Benchmark]: Toolchain (without parser) took 1887.89ms. Allocated memory is still 178.3MB. Free memory was 145.5MB in the beginning and 80.8MB in the end (delta: 64.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-09 00:09:38,251 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 119.5MB. Free memory was 87.8MB in the beginning and 87.8MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:09:38,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.15ms. Allocated memory is still 178.3MB. Free memory was 145.5MB in the beginning and 134.1MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:09:38,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.45ms. Allocated memory is still 178.3MB. Free memory was 134.1MB in the beginning and 132.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:09:38,255 INFO L158 Benchmark]: Boogie Preprocessor took 27.23ms. Allocated memory is still 178.3MB. Free memory was 132.9MB in the beginning and 132.0MB in the end (delta: 871.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:09:38,255 INFO L158 Benchmark]: RCFGBuilder took 366.40ms. Allocated memory is still 178.3MB. Free memory was 132.0MB in the beginning and 120.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:09:38,256 INFO L158 Benchmark]: CodeCheck took 1049.84ms. Allocated memory is still 178.3MB. Free memory was 120.7MB in the beginning and 85.0MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 00:09:38,256 INFO L158 Benchmark]: Witness Printer took 136.70ms. Allocated memory is still 178.3MB. Free memory was 85.0MB in the beginning and 80.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:09:38,263 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, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 32 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 181 GetRequests, 161 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: 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: 11]: Loop Invariant Derived loop invariant: (i <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 119.5MB. Free memory was 87.8MB in the beginning and 87.8MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.15ms. Allocated memory is still 178.3MB. Free memory was 145.5MB in the beginning and 134.1MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.45ms. Allocated memory is still 178.3MB. Free memory was 134.1MB in the beginning and 132.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.23ms. Allocated memory is still 178.3MB. Free memory was 132.9MB in the beginning and 132.0MB in the end (delta: 871.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.40ms. Allocated memory is still 178.3MB. Free memory was 132.0MB in the beginning and 120.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1049.84ms. Allocated memory is still 178.3MB. Free memory was 120.7MB in the beginning and 85.0MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 136.70ms. Allocated memory is still 178.3MB. Free memory was 85.0MB in the beginning and 80.8MB 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 00:09:38,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89035274-2cbf-4bc4-9394-e62255b722d4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE