./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label17.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_c5e37e8a-9b5d-407b-b975-6d72d13caecc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e37e8a-9b5d-407b-b975-6d72d13caecc/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_c5e37e8a-9b5d-407b-b975-6d72d13caecc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e37e8a-9b5d-407b-b975-6d72d13caecc/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e37e8a-9b5d-407b-b975-6d72d13caecc/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_c5e37e8a-9b5d-407b-b975-6d72d13caecc/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 c12284a0b0818e5553c135263b83926be59cee67b7fc82977d08837b834dc791 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:42:17,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:42:17,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e37e8a-9b5d-407b-b975-6d72d13caecc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:42:17,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:42:17,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:42:17,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:42:17,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:42:17,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:42:17,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:42:17,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:42:17,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:42:17,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:42:17,670 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:42:17,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:42:17,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:42:17,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:42:17,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:42:17,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:42:17,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:42:17,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:42:17,672 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:42:17,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:42:17,672 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:42:17,673 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:42:17,673 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:42:17,673 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:42:17,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:42:17,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:42:17,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:42:17,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:42:17,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:42:17,674 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:42:17,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:42:17,674 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_c5e37e8a-9b5d-407b-b975-6d72d13caecc/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 -> c12284a0b0818e5553c135263b83926be59cee67b7fc82977d08837b834dc791 [2024-11-13 22:42:18,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:42:18,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:42:18,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:42:18,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:42:18,047 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:42:18,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e37e8a-9b5d-407b-b975-6d72d13caecc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem10_label17.c Unable to find full path for "g++" [2024-11-13 22:42:19,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:42:20,273 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:42:20,274 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e37e8a-9b5d-407b-b975-6d72d13caecc/sv-benchmarks/c/eca-rers2012/Problem10_label17.c [2024-11-13 22:42:20,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e37e8a-9b5d-407b-b975-6d72d13caecc/bin/ukojak-verify-EEHR8qb7sm/data/964d21b66/8ac77afc6353423ba226f814d777a5f2/FLAGb9f942bee [2024-11-13 22:42:20,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e37e8a-9b5d-407b-b975-6d72d13caecc/bin/ukojak-verify-EEHR8qb7sm/data/964d21b66/8ac77afc6353423ba226f814d777a5f2 [2024-11-13 22:42:20,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:42:20,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:42:20,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:42:20,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:42:20,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:42:20,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:20" (1/1) ... [2024-11-13 22:42:20,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f23c5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:20, skipping insertion in model container [2024-11-13 22:42:20,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:20" (1/1) ... [2024-11-13 22:42:20,491 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:42:20,733 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_c5e37e8a-9b5d-407b-b975-6d72d13caecc/sv-benchmarks/c/eca-rers2012/Problem10_label17.c[3604,3617] [2024-11-13 22:42:20,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:42:20,928 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:42:20,946 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_c5e37e8a-9b5d-407b-b975-6d72d13caecc/sv-benchmarks/c/eca-rers2012/Problem10_label17.c[3604,3617] [2024-11-13 22:42:21,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:42:21,050 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:42:21,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:21 WrapperNode [2024-11-13 22:42:21,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:42:21,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:42:21,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:42:21,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:42:21,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:21" (1/1) ... [2024-11-13 22:42:21,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:21" (1/1) ... [2024-11-13 22:42:21,150 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-13 22:42:21,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:42:21,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:42:21,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:42:21,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:42:21,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:21" (1/1) ... [2024-11-13 22:42:21,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:21" (1/1) ... [2024-11-13 22:42:21,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:21" (1/1) ... [2024-11-13 22:42:21,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:21" (1/1) ... [2024-11-13 22:42:21,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:21" (1/1) ... [2024-11-13 22:42:21,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:21" (1/1) ... [2024-11-13 22:42:21,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:21" (1/1) ... [2024-11-13 22:42:21,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:21" (1/1) ... [2024-11-13 22:42:21,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:42:21,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:42:21,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:42:21,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:42:21,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:21" (1/1) ... [2024-11-13 22:42:21,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:42:21,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e37e8a-9b5d-407b-b975-6d72d13caecc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:42:21,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e37e8a-9b5d-407b-b975-6d72d13caecc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:42:21,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e37e8a-9b5d-407b-b975-6d72d13caecc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:42:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:42:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:42:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:42:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:42:21,362 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:42:21,364 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:42:22,834 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 22:42:22,835 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:42:26,083 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:42:26,084 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:42:26,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:26 BoogieIcfgContainer [2024-11-13 22:42:26,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:42:26,085 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:42:26,085 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:42:26,096 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:42:26,096 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:26" (1/1) ... [2024-11-13 22:42:26,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:42:26,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:42:26,165 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:42:26,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:42:26,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:26,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:42:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:26,443 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 22:42:26,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:26,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 22:42:26,544 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 22:42:26,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:42:26,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:26,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:42:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:39,232 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 22:42:39,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 22:42:39,537 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 22:42:39,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:42:39,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:39,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:42:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:57,418 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 22:42:58,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:58,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-13 22:42:58,122 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-13 22:42:58,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:42:58,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:58,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:42:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:12,785 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 22:43:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2024-11-13 22:43:13,106 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-11-13 22:43:13,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:43:13,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:13,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:25,601 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:43:26,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:26,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2024-11-13 22:43:26,514 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2024-11-13 22:43:26,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:43:26,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:26,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:36,615 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:43:37,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:37,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2024-11-13 22:43:37,221 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2024-11-13 22:43:37,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:43:37,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:37,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:50,869 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:43:51,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:51,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 44 states and 78 transitions. [2024-11-13 22:43:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2024-11-13 22:43:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:43:51,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:51,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:44:10,244 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 22:44:10,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:44:10,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 76 transitions. [2024-11-13 22:44:10,786 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2024-11-13 22:44:10,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:44:10,787 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-13 22:44:10,802 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:44:11,267 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (or (not (= ~a19~0 6)) (< 218 ~a1~0) (not (= ~a10~0 4)) (< ~a1~0 39)) [2024-11-13 22:44:11,267 INFO L77 FloydHoareUtils]: At program point L103-1(lines 30 584) the Hoare annotation is: (or (not (= ~a19~0 6)) (< 218 ~a1~0) (not (= ~a10~0 4)) (< ~a1~0 39)) [2024-11-13 22:44:11,267 INFO L75 FloydHoareUtils]: For program point L104(line 104) no Hoare annotation was computed. [2024-11-13 22:44:11,267 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-13 22:44:11,267 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:44:11,268 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:44:11,268 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (or (not (= ~a19~0 6)) (< 218 ~a1~0) (not (= ~a10~0 4)) (< ~a1~0 39)) [2024-11-13 22:44:11,268 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 104) no Hoare annotation was computed. [2024-11-13 22:44:11,268 INFO L77 FloydHoareUtils]: At program point L100-1(lines 30 584) the Hoare annotation is: (let ((.cse1 (not (= ~a10~0 4)))) (let ((.cse0 (or (< 218 ~a1~0) .cse1 (< ~a1~0 37)))) (or (not (= ~a19~0 6)) (and (not (and (= 14 ~a4~0) (= ~a12~0 0))) .cse0) (and (<= 37 ~a1~0) (< ~a1~0 39)) (and (<= 24 ~a1~0) .cse0) (and (or .cse1 (< 0 (+ ~a1~0 13))) (<= ~a1~0 23))))) [2024-11-13 22:44:11,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:44:11 ImpRootNode [2024-11-13 22:44:11,281 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:44:11,282 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:44:11,282 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:44:11,282 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:44:11,283 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:26" (3/4) ... [2024-11-13 22:44:11,285 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:44:11,312 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-13 22:44:11,313 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 22:44:11,314 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:44:11,315 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:44:11,482 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e37e8a-9b5d-407b-b975-6d72d13caecc/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:44:11,483 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e37e8a-9b5d-407b-b975-6d72d13caecc/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:44:11,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:44:11,484 INFO L158 Benchmark]: Toolchain (without parser) took 111052.35ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 115.8MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 622.1MB. Max. memory is 16.1GB. [2024-11-13 22:44:11,484 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:44:11,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.33ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 88.9MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:44:11,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.81ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 81.2MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:44:11,485 INFO L158 Benchmark]: Boogie Preprocessor took 59.01ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 76.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:44:11,486 INFO L158 Benchmark]: RCFGBuilder took 4873.20ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 76.6MB in the beginning and 202.0MB in the end (delta: -125.5MB). Peak memory consumption was 183.4MB. Max. memory is 16.1GB. [2024-11-13 22:44:11,486 INFO L158 Benchmark]: CodeCheck took 105196.72ms. Allocated memory was 352.3MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 202.0MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 489.1MB. Max. memory is 16.1GB. [2024-11-13 22:44:11,487 INFO L158 Benchmark]: Witness Printer took 200.95ms. Allocated memory is still 2.0GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:44:11,488 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: 104.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 382 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 320 mSDsluCounter, 332 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 200 mSDsCounter, 164 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 860 IncrementalHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 164 mSolverCounterUnsat, 132 mSDtfsCounter, 860 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1092 GetRequests, 944 SyntacticMatches, 60 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4003 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 99.5s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 1124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 39/137 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: 104]: 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: 592]: Loop Invariant Derived loop invariant: ((((a19 != 6) || (218 < a1)) || (a10 != 4)) || (a1 < 39)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((a19 != 6) || (218 < a1)) || (a10 != 4)) || (a1 < 39)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.33ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 88.9MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.81ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 81.2MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.01ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 76.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4873.20ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 76.6MB in the beginning and 202.0MB in the end (delta: -125.5MB). Peak memory consumption was 183.4MB. Max. memory is 16.1GB. * CodeCheck took 105196.72ms. Allocated memory was 352.3MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 202.0MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 489.1MB. Max. memory is 16.1GB. * Witness Printer took 200.95ms. Allocated memory is still 2.0GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:44:11,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e37e8a-9b5d-407b-b975-6d72d13caecc/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