./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum04-2.i --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_a4aa38e4-68e2-4e18-849c-65ac77164a47/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa38e4-68e2-4e18-849c-65ac77164a47/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_a4aa38e4-68e2-4e18-849c-65ac77164a47/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa38e4-68e2-4e18-849c-65ac77164a47/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum04-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa38e4-68e2-4e18-849c-65ac77164a47/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_a4aa38e4-68e2-4e18-849c-65ac77164a47/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 aaea6fef281249794f41087d72bdcfa92bd0b0609c0833888767b94608daa7f2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:16:21,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:16:21,865 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa38e4-68e2-4e18-849c-65ac77164a47/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:16:21,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:16:21,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:16:21,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:16:21,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:16:21,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:16:21,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:16:21,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:16:21,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:16:21,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:16:21,898 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:16:21,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:16:21,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:16:21,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:16:21,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:16:21,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:16:21,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:16:21,899 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:16:21,899 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:16:21,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:16:21,900 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:16:21,900 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:16:21,900 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:16:21,900 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:16:21,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:16:21,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:16:21,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:16:21,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:16:21,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:16:21,901 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:16:21,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:16:21,901 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_a4aa38e4-68e2-4e18-849c-65ac77164a47/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 -> aaea6fef281249794f41087d72bdcfa92bd0b0609c0833888767b94608daa7f2 [2024-11-13 21:16:22,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:16:22,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:16:22,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:16:22,157 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:16:22,157 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:16:22,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa38e4-68e2-4e18-849c-65ac77164a47/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loops/sum04-2.i Unable to find full path for "g++" [2024-11-13 21:16:24,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:16:24,324 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:16:24,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa38e4-68e2-4e18-849c-65ac77164a47/sv-benchmarks/c/loops/sum04-2.i [2024-11-13 21:16:24,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa38e4-68e2-4e18-849c-65ac77164a47/bin/ukojak-verify-EEHR8qb7sm/data/08dedfdf5/01058bc9b65f4462a0b88b5159c3456e/FLAG3996c95ad [2024-11-13 21:16:24,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa38e4-68e2-4e18-849c-65ac77164a47/bin/ukojak-verify-EEHR8qb7sm/data/08dedfdf5/01058bc9b65f4462a0b88b5159c3456e [2024-11-13 21:16:24,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:16:24,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:16:24,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:16:24,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:16:24,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:16:24,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:16:24" (1/1) ... [2024-11-13 21:16:24,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c61ee29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:24, skipping insertion in model container [2024-11-13 21:16:24,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:16:24" (1/1) ... [2024-11-13 21:16:24,387 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:16:24,561 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_a4aa38e4-68e2-4e18-849c-65ac77164a47/sv-benchmarks/c/loops/sum04-2.i[808,821] [2024-11-13 21:16:24,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:16:24,585 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:16:24,599 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_a4aa38e4-68e2-4e18-849c-65ac77164a47/sv-benchmarks/c/loops/sum04-2.i[808,821] [2024-11-13 21:16:24,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:16:24,620 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:16:24,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:24 WrapperNode [2024-11-13 21:16:24,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:16:24,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:16:24,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:16:24,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:16:24,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:24" (1/1) ... [2024-11-13 21:16:24,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:24" (1/1) ... [2024-11-13 21:16:24,653 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-11-13 21:16:24,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:16:24,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:16:24,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:16:24,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:16:24,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:24" (1/1) ... [2024-11-13 21:16:24,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:24" (1/1) ... [2024-11-13 21:16:24,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:24" (1/1) ... [2024-11-13 21:16:24,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:24" (1/1) ... [2024-11-13 21:16:24,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:24" (1/1) ... [2024-11-13 21:16:24,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:24" (1/1) ... [2024-11-13 21:16:24,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:24" (1/1) ... [2024-11-13 21:16:24,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:24" (1/1) ... [2024-11-13 21:16:24,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:16:24,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:16:24,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:16:24,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:16:24,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:24" (1/1) ... [2024-11-13 21:16:24,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:16:24,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa38e4-68e2-4e18-849c-65ac77164a47/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:16:24,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa38e4-68e2-4e18-849c-65ac77164a47/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:16:24,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa38e4-68e2-4e18-849c-65ac77164a47/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:16:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:16:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:16:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:16:24,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:16:24,822 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:16:24,824 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:16:24,938 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 21:16:24,938 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:16:24,975 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:16:24,977 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:16:24,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:24 BoogieIcfgContainer [2024-11-13 21:16:24,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:16:24,978 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:16:24,979 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:16:24,990 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:16:24,990 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:24" (1/1) ... [2024-11-13 21:16:25,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:16:25,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:25,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:16:25,049 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:16:25,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:16:25,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:25,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:25,217 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 21:16:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:25,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:16:25,276 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:16:25,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:16:25,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:25,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:25,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:16:25,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:25,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 21:16:25,455 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 21:16:25,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:16:25,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:25,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:16:25,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:25,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-13 21:16:25,670 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-13 21:16:25,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:16:25,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:25,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:25,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:16:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-13 21:16:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-13 21:16:25,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:16:25,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:25,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:16:26,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:26,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 21:16:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 21:16:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:16:26,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:26,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:26,239 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:16:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:26,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-13 21:16:26,332 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-13 21:16:26,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:16:26,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:26,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:26,470 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:16:26,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 21:16:26,555 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 21:16:26,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:16:26,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:26,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:26,676 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:16:26,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-11-13 21:16:26,770 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-13 21:16:26,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:16:26,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:26,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:16:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:28,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2024-11-13 21:16:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-13 21:16:28,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:16:28,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:28,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 37 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:16:29,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:29,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2024-11-13 21:16:29,363 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2024-11-13 21:16:29,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:16:29,364 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-11-13 21:16:29,379 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:16:29,626 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:16:29,626 INFO L77 FloydHoareUtils]: At program point L15(lines 15 17) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-13 21:16:29,626 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 19) the Hoare annotation is: true [2024-11-13 21:16:29,626 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:16:29,627 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2024-11-13 21:16:29,627 INFO L77 FloydHoareUtils]: At program point L24-2(lines 24 26) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~i~0#1| 3) (= |ULTIMATE.start_main_~sn~0#1| 4) (< 2 |ULTIMATE.start_main_~i~0#1|)) (and (< 3 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~sn~0#1| 6) (<= |ULTIMATE.start_main_~i~0#1| 4)) (and (< 7 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 8) (= |ULTIMATE.start_main_~sn~0#1| 14)) (and (= |ULTIMATE.start_main_~sn~0#1| 12) (< 6 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 7)) (and (<= |ULTIMATE.start_main_~i~0#1| 2) (<= 2 |ULTIMATE.start_main_~i~0#1|) (= 2 |ULTIMATE.start_main_~sn~0#1|)) (and (< 4 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~sn~0#1| 8) (<= |ULTIMATE.start_main_~i~0#1| 5)) (and (= 16 |ULTIMATE.start_main_~sn~0#1|) (< 8 |ULTIMATE.start_main_~i~0#1|)) (and (= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_main_~sn~0#1| 0)) (and (= |ULTIMATE.start_main_~sn~0#1| 10) (<= |ULTIMATE.start_main_~i~0#1| 6) (< 5 |ULTIMATE.start_main_~i~0#1|))) [2024-11-13 21:16:29,627 INFO L75 FloydHoareUtils]: For program point L16(line 16) no Hoare annotation was computed. [2024-11-13 21:16:29,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:16:29 ImpRootNode [2024-11-13 21:16:29,677 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:16:29,678 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:16:29,678 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:16:29,678 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:16:29,679 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:24" (3/4) ... [2024-11-13 21:16:29,685 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:16:29,703 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 21:16:29,703 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 21:16:29,703 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:16:29,704 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:16:29,806 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa38e4-68e2-4e18-849c-65ac77164a47/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:16:29,807 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa38e4-68e2-4e18-849c-65ac77164a47/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:16:29,807 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:16:29,810 INFO L158 Benchmark]: Toolchain (without parser) took 5448.91ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 62.9MB in the end (delta: 29.7MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-13 21:16:29,810 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:29,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.40ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:16:29,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.38ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:29,816 INFO L158 Benchmark]: Boogie Preprocessor took 26.35ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.3MB in the end (delta: 557.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:29,816 INFO L158 Benchmark]: RCFGBuilder took 296.31ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 70.8MB in the end (delta: 9.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:16:29,816 INFO L158 Benchmark]: CodeCheck took 4699.02ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 67.3MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:29,817 INFO L158 Benchmark]: Witness Printer took 128.95ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 62.9MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:16:29,819 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 250 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 334 IncrementalHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 250 mSolverCounterUnsat, 30 mSDtfsCounter, 334 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 657 GetRequests, 530 SyntacticMatches, 35 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3630 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 186 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 37/165 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: 16]: 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: 24]: Loop Invariant Derived loop invariant: (((((((((((i <= 3) && (sn == 4)) && (2 < i)) || (((3 < i) && (sn == 6)) && (i <= 4))) || (((7 < i) && (i <= 8)) && (sn == 14))) || (((sn == 12) && (6 < i)) && (i <= 7))) || (((i <= 2) && (2 <= i)) && (2 == sn))) || (((4 < i) && (sn == 8)) && (i <= 5))) || ((16 == sn) && (8 < i))) || ((i == 1) && (sn == 0))) || (((sn == 10) && (i <= 6)) && (5 < i))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.40ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.38ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.35ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.3MB in the end (delta: 557.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.31ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 70.8MB in the end (delta: 9.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4699.02ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 67.3MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 128.95ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 62.9MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:16:29,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4aa38e4-68e2-4e18-849c-65ac77164a47/bin/ukojak-verify-EEHR8qb7sm/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