./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/for_infinite_loop_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/for_infinite_loop_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7bc805982786a976f5adb0f80bae15beee400650a8dc4a701e17af743466c2dc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:23:23,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:23:23,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:23:23,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:23:23,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:23:23,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:23:23,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:23:23,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:23:23,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:23:23,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:23:23,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:23:23,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:23:23,296 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:23:23,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:23:23,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:23:23,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:23:23,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:23:23,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:23:23,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:23:23,297 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:23:23,297 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:23:23,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:23:23,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:23:23,298 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:23:23,298 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:23:23,298 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:23:23,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:23:23,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:23:23,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:23:23,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:23:23,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:23:23,299 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:23:23,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:23:23,299 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bc805982786a976f5adb0f80bae15beee400650a8dc4a701e17af743466c2dc [2024-11-13 21:23:23,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:23:23,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:23:23,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:23:23,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:23:23,696 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:23:23,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loops/for_infinite_loop_2.c Unable to find full path for "g++" [2024-11-13 21:23:25,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:23:26,067 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:23:26,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/sv-benchmarks/c/loops/for_infinite_loop_2.c [2024-11-13 21:23:26,075 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/data/12d96af92/14930b275c134f039e566b2b847b87ce/FLAG1b8be3a9b [2024-11-13 21:23:26,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/data/12d96af92/14930b275c134f039e566b2b847b87ce [2024-11-13 21:23:26,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:23:26,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:23:26,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:23:26,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:23:26,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:23:26,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:23:26" (1/1) ... [2024-11-13 21:23:26,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3ea350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:26, skipping insertion in model container [2024-11-13 21:23:26,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:23:26" (1/1) ... [2024-11-13 21:23:26,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:23:26,572 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/sv-benchmarks/c/loops/for_infinite_loop_2.c[418,431] [2024-11-13 21:23:26,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:23:26,593 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:23:26,604 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/sv-benchmarks/c/loops/for_infinite_loop_2.c[418,431] [2024-11-13 21:23:26,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:23:26,621 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:23:26,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:26 WrapperNode [2024-11-13 21:23:26,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:23:26,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:23:26,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:23:26,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:23:26,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:26" (1/1) ... [2024-11-13 21:23:26,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:26" (1/1) ... [2024-11-13 21:23:26,651 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-13 21:23:26,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:23:26,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:23:26,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:23:26,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:23:26,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:26" (1/1) ... [2024-11-13 21:23:26,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:26" (1/1) ... [2024-11-13 21:23:26,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:26" (1/1) ... [2024-11-13 21:23:26,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:26" (1/1) ... [2024-11-13 21:23:26,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:26" (1/1) ... [2024-11-13 21:23:26,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:26" (1/1) ... [2024-11-13 21:23:26,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:26" (1/1) ... [2024-11-13 21:23:26,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:26" (1/1) ... [2024-11-13 21:23:26,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:23:26,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:23:26,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:23:26,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:23:26,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:23:26" (1/1) ... [2024-11-13 21:23:26,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:23:26,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:23:26,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:23:26,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:23:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:23:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:23:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:23:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:23:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:23:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:23:26,810 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:23:26,812 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:23:26,980 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 21:23:26,981 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:23:27,030 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:23:27,031 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:23:27,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:27 BoogieIcfgContainer [2024-11-13 21:23:27,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:23:27,032 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:23:27,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:23:27,047 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:23:27,048 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:27" (1/1) ... [2024-11-13 21:23:27,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:23:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 21:23:27,148 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 21:23:27,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:23:27,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:27,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:27,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:27,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 13 transitions. [2024-11-13 21:23:27,370 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-13 21:23:27,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:23:27,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:27,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:27,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:27,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 17 transitions. [2024-11-13 21:23:27,737 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-11-13 21:23:27,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:23:27,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:27,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:28,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:28,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 11 transitions. [2024-11-13 21:23:28,106 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 21:23:28,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:23:28,107 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-13 21:23:28,118 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:23:28,154 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:23:28,155 INFO L77 FloydHoareUtils]: At program point L27(lines 18 28) the Hoare annotation is: true [2024-11-13 21:23:28,155 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (= |ULTIMATE.start_main_~x~0#1| 0) [2024-11-13 21:23:28,155 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: (= |ULTIMATE.start_main_~x~0#1| 0) [2024-11-13 21:23:28,155 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (= |ULTIMATE.start_main_~x~0#1| 0) [2024-11-13 21:23:28,155 INFO L77 FloydHoareUtils]: At program point L23-2(lines 23 26) the Hoare annotation is: (= |ULTIMATE.start_main_~x~0#1| 0) [2024-11-13 21:23:28,156 INFO L75 FloydHoareUtils]: For program point L23-3(lines 23 26) no Hoare annotation was computed. [2024-11-13 21:23:28,156 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:23:28,156 INFO L75 FloydHoareUtils]: For program point L11(line 11) no Hoare annotation was computed. [2024-11-13 21:23:28,156 INFO L77 FloydHoareUtils]: At program point L10(lines 10 12) the Hoare annotation is: (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (not (= __VERIFIER_assert_~cond 0))) [2024-11-13 21:23:28,156 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 14) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 21:23:28,157 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 14) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 21:23:28,157 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 14) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 21:23:28,157 INFO L75 FloydHoareUtils]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2024-11-13 21:23:28,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:23:28 ImpRootNode [2024-11-13 21:23:28,182 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:23:28,182 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:23:28,182 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:23:28,183 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:23:28,186 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:23:27" (3/4) ... [2024-11-13 21:23:28,188 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:23:28,191 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 21:23:28,195 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 21:23:28,195 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 21:23:28,196 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:23:28,196 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:23:28,320 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:23:28,320 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:23:28,320 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:23:28,324 INFO L158 Benchmark]: Toolchain (without parser) took 1911.22ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 90.6MB in the end (delta: 2.3MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2024-11-13 21:23:28,324 INFO L158 Benchmark]: CDTParser took 1.51ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:28,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.54ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:23:28,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.34ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.1MB in the end (delta: 836.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:28,325 INFO L158 Benchmark]: Boogie Preprocessor took 16.69ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.3MB in the end (delta: 780.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:23:28,326 INFO L158 Benchmark]: RCFGBuilder took 362.57ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 70.3MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:23:28,326 INFO L158 Benchmark]: CodeCheck took 1149.17ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 40.2MB in the end (delta: 30.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:23:28,327 INFO L158 Benchmark]: Witness Printer took 138.21ms. Allocated memory is still 117.4MB. Free memory was 40.2MB in the beginning and 90.6MB in the end (delta: -50.5MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-13 21:23:28,332 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 55 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 3/4 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: 11]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (x == 0) - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: (cond != 0) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.54ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.34ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.1MB in the end (delta: 836.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.69ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.3MB in the end (delta: 780.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.57ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 70.3MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1149.17ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 40.2MB in the end (delta: 30.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 138.21ms. Allocated memory is still 117.4MB. Free memory was 40.2MB in the beginning and 90.6MB in the end (delta: -50.5MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:23:28,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c15a2ab-d6a2-4471-9df5-b304a2f85f8d/bin/ukojak-verify-EEHR8qb7sm/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