./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.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_caf9a719-9525-47a6-8dbc-f88897ba98ed/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf9a719-9525-47a6-8dbc-f88897ba98ed/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_caf9a719-9525-47a6-8dbc-f88897ba98ed/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf9a719-9525-47a6-8dbc-f88897ba98ed/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf9a719-9525-47a6-8dbc-f88897ba98ed/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_caf9a719-9525-47a6-8dbc-f88897ba98ed/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 d7b840784ed09a8ba534cc1991a3b26e3517ca5684a3a750b52e1a997eff0418 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:36:21,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:36:21,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf9a719-9525-47a6-8dbc-f88897ba98ed/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:36:21,116 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:36:21,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:36:21,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:36:21,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:36:21,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:36:21,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:36:21,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:36:21,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:36:21,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:36:21,155 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:36:21,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:36:21,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:36:21,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:36:21,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:36:21,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:36:21,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:36:21,156 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:36:21,156 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:36:21,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:36:21,157 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:36:21,157 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:36:21,157 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:36:21,157 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:36:21,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:36:21,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:36:21,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:36:21,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:36:21,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:36:21,158 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:36:21,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:36:21,159 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_caf9a719-9525-47a6-8dbc-f88897ba98ed/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 -> d7b840784ed09a8ba534cc1991a3b26e3517ca5684a3a750b52e1a997eff0418 [2024-11-13 22:36:21,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:36:21,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:36:21,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:36:21,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:36:21,510 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:36:21,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf9a719-9525-47a6-8dbc-f88897ba98ed/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-lit/gsv2008.i Unable to find full path for "g++" [2024-11-13 22:36:23,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:36:23,712 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:36:23,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf9a719-9525-47a6-8dbc-f88897ba98ed/sv-benchmarks/c/loop-lit/gsv2008.i [2024-11-13 22:36:23,721 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf9a719-9525-47a6-8dbc-f88897ba98ed/bin/ukojak-verify-EEHR8qb7sm/data/5969581df/97ef1f1be4874cb38e00c0ce798499a1/FLAG0d318feb6 [2024-11-13 22:36:23,736 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf9a719-9525-47a6-8dbc-f88897ba98ed/bin/ukojak-verify-EEHR8qb7sm/data/5969581df/97ef1f1be4874cb38e00c0ce798499a1 [2024-11-13 22:36:23,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:36:23,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:36:23,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:36:23,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:36:23,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:36:23,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:36:23" (1/1) ... [2024-11-13 22:36:23,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c8eefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:23, skipping insertion in model container [2024-11-13 22:36:23,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:36:23" (1/1) ... [2024-11-13 22:36:23,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:36:23,973 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_caf9a719-9525-47a6-8dbc-f88897ba98ed/sv-benchmarks/c/loop-lit/gsv2008.i[895,908] [2024-11-13 22:36:23,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:36:24,001 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:36:24,014 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_caf9a719-9525-47a6-8dbc-f88897ba98ed/sv-benchmarks/c/loop-lit/gsv2008.i[895,908] [2024-11-13 22:36:24,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:36:24,035 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:36:24,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:24 WrapperNode [2024-11-13 22:36:24,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:36:24,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:36:24,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:36:24,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:36:24,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:24" (1/1) ... [2024-11-13 22:36:24,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:24" (1/1) ... [2024-11-13 22:36:24,070 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2024-11-13 22:36:24,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:36:24,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:36:24,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:36:24,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:36:24,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:24" (1/1) ... [2024-11-13 22:36:24,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:24" (1/1) ... [2024-11-13 22:36:24,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:24" (1/1) ... [2024-11-13 22:36:24,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:24" (1/1) ... [2024-11-13 22:36:24,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:24" (1/1) ... [2024-11-13 22:36:24,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:24" (1/1) ... [2024-11-13 22:36:24,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:24" (1/1) ... [2024-11-13 22:36:24,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:24" (1/1) ... [2024-11-13 22:36:24,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:36:24,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:36:24,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:36:24,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:36:24,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:24" (1/1) ... [2024-11-13 22:36:24,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:36:24,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf9a719-9525-47a6-8dbc-f88897ba98ed/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:36:24,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf9a719-9525-47a6-8dbc-f88897ba98ed/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:36:24,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf9a719-9525-47a6-8dbc-f88897ba98ed/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:36:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:36:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:36:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:36:24,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:36:24,231 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:36:24,233 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:36:24,325 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:36:24,325 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:36:24,373 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:36:24,373 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:36:24,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:24 BoogieIcfgContainer [2024-11-13 22:36:24,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:36:24,376 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:36:24,376 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:36:24,388 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:36:24,388 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:24" (1/1) ... [2024-11-13 22:36:24,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:36:24,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:36:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:36:24,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:36:24,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:24,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:24,671 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 22:36:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:24,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-11-13 22:36:24,734 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-11-13 22:36:24,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:36:24,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:24,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:24,943 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 22:36:25,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:25,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-13 22:36:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-13 22:36:25,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:36:25,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:25,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:25,293 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 22:36:25,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:25,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-13 22:36:25,480 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-13 22:36:25,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:36:25,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:25,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:25,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:36:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 10 states and 15 transitions. [2024-11-13 22:36:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 15 transitions. [2024-11-13 22:36:25,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:36:25,819 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 22:36:25,829 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:36:25,907 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:36:25,910 INFO L77 FloydHoareUtils]: At program point L29-2(lines 29 32) the Hoare annotation is: (not (and (< (* 2 |ULTIMATE.start_main_~y~0#1|) (+ 53 |ULTIMATE.start_main_~x~0#1|)) (< 0 (+ |ULTIMATE.start_main_~x~0#1| 50)) (< |ULTIMATE.start_main_~y~0#1| (+ 2 |ULTIMATE.start_main_~x~0#1|)))) [2024-11-13 22:36:25,910 INFO L75 FloydHoareUtils]: For program point L19(line 19) no Hoare annotation was computed. [2024-11-13 22:36:25,911 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:36:25,911 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 24 35) the Hoare annotation is: true [2024-11-13 22:36:25,911 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: (<= (+ |ULTIMATE.start_main_~x~0#1| 50) 0) [2024-11-13 22:36:25,911 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-11-13 22:36:25,911 INFO L77 FloydHoareUtils]: At program point L18(lines 18 20) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-13 22:36:25,911 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2024-11-13 22:36:25,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:36:25 ImpRootNode [2024-11-13 22:36:25,929 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:36:25,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:36:25,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:36:25,930 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:36:25,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:24" (3/4) ... [2024-11-13 22:36:25,933 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:36:25,939 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 22:36:25,940 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 22:36:25,941 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:36:25,941 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:36:26,024 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf9a719-9525-47a6-8dbc-f88897ba98ed/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:36:26,025 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf9a719-9525-47a6-8dbc-f88897ba98ed/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:36:26,025 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:36:26,028 INFO L158 Benchmark]: Toolchain (without parser) took 2284.25ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 63.0MB in the end (delta: 30.7MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-11-13 22:36:26,030 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:36:26,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.60ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:36:26,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.02ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.6MB in the end (delta: 940.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:36:26,031 INFO L158 Benchmark]: Boogie Preprocessor took 28.30ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.8MB in the end (delta: 728.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:36:26,031 INFO L158 Benchmark]: RCFGBuilder took 272.58ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 71.1MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:36:26,032 INFO L158 Benchmark]: CodeCheck took 1552.96ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 67.4MB in the end (delta: 3.7MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-11-13 22:36:26,033 INFO L158 Benchmark]: Witness Printer took 96.11ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 63.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:36:26,035 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 28 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 191 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 6/10 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]: 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: 29]: Loop Invariant Derived loop invariant: !(((((long long) 2 * y) < ((long long) 53 + x)) && (0 < ((long long) x + 50))) && (y < ((long long) 2 + x))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.60ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.02ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.6MB in the end (delta: 940.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.30ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.8MB in the end (delta: 728.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 272.58ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 71.1MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1552.96ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 67.4MB in the end (delta: 3.7MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Witness Printer took 96.11ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 63.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:36:26,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf9a719-9525-47a6-8dbc-f88897ba98ed/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