./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL --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 fe48ed16d68df0fc4fa3c4280535a457e51f3caf84063e0c55d9c1da17a02641 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:12:26,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:12:26,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:12:26,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:12:26,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:12:26,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:12:26,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:12:26,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:12:26,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:12:26,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:12:26,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:12:26,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:12:26,318 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:12:26,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:12:26,320 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:12:26,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:12:26,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:12:26,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:12:26,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:12:26,324 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:12:26,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:12:26,325 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:12:26,326 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:12:26,326 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:12:26,327 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:12:26,328 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:12:26,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:26,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:12:26,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:12:26,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:12:26,331 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:12:26,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:12:26,332 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:12:26,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe48ed16d68df0fc4fa3c4280535a457e51f3caf84063e0c55d9c1da17a02641 [2023-11-19 03:12:26,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:12:26,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:12:26,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:12:26,717 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:12:26,717 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:12:26,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-42.i [2023-11-19 03:12:29,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:12:30,168 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:12:30,171 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-42.i [2023-11-19 03:12:30,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/data/a372ee6e6/279d22b1750f42fdaa1c10536c67cda1/FLAGa4a387902 [2023-11-19 03:12:30,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/data/a372ee6e6/279d22b1750f42fdaa1c10536c67cda1 [2023-11-19 03:12:30,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:12:30,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:12:30,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:30,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:12:30,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:12:30,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:30" (1/1) ... [2023-11-19 03:12:30,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60bde9c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:30, skipping insertion in model container [2023-11-19 03:12:30,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:30" (1/1) ... [2023-11-19 03:12:30,262 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:12:30,425 WARN L240 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_25575b4b-bdd5-45a4-8957-5fb164e56bed/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-42.i[915,928] [2023-11-19 03:12:30,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:12:30,476 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:12:30,489 WARN L240 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_25575b4b-bdd5-45a4-8957-5fb164e56bed/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-42.i[915,928] [2023-11-19 03:12:30,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:12:30,530 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:12:30,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:30 WrapperNode [2023-11-19 03:12:30,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:30,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:12:30,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:12:30,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:12:30,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:30" (1/1) ... [2023-11-19 03:12:30,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:30" (1/1) ... [2023-11-19 03:12:30,596 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2023-11-19 03:12:30,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:12:30,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:12:30,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:12:30,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:12:30,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:30" (1/1) ... [2023-11-19 03:12:30,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:30" (1/1) ... [2023-11-19 03:12:30,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:30" (1/1) ... [2023-11-19 03:12:30,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:30" (1/1) ... [2023-11-19 03:12:30,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:30" (1/1) ... [2023-11-19 03:12:30,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:30" (1/1) ... [2023-11-19 03:12:30,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:30" (1/1) ... [2023-11-19 03:12:30,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:30" (1/1) ... [2023-11-19 03:12:30,641 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:12:30,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:12:30,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:12:30,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:12:30,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:30" (1/1) ... [2023-11-19 03:12:30,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:30,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:12:30,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:12:30,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:12:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:12:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:12:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:12:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:12:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:12:30,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:12:30,863 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:12:30,866 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:12:31,202 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:12:31,358 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:12:31,358 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:12:31,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:31 BoogieIcfgContainer [2023-11-19 03:12:31,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:12:31,367 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:12:31,367 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:12:31,383 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:12:31,383 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:31" (1/1) ... [2023-11-19 03:12:31,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:12:31,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:31,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2023-11-19 03:12:31,461 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2023-11-19 03:12:31,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:12:31,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:31,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:35,280 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 36 proven. 18 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-19 03:12:36,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:36,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 56 states and 86 transitions. [2023-11-19 03:12:36,100 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 86 transitions. [2023-11-19 03:12:36,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 03:12:36,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:36,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 108 proven. 78 refuted. 0 times theorem prover too weak. 709 trivial. 0 not checked. [2023-11-19 03:12:43,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:43,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 82 states and 130 transitions. [2023-11-19 03:12:43,043 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 130 transitions. [2023-11-19 03:12:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 03:12:43,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:43,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 153 proven. 25 refuted. 0 times theorem prover too weak. 1878 trivial. 0 not checked. [2023-11-19 03:12:48,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:48,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 55 states and 86 transitions. [2023-11-19 03:12:48,210 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 86 transitions. [2023-11-19 03:12:48,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:12:48,212 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-19 03:12:48,221 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:12:48,628 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:12:48,632 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-11-19 03:12:48,635 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-19 03:12:48,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:12:48 ImpRootNode [2023-11-19 03:12:48,637 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:12:48,637 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:12:48,637 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:12:48,638 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:12:48,638 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:31" (3/4) ... [2023-11-19 03:12:48,640 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:12:48,644 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 03:12:48,650 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-19 03:12:48,651 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 03:12:48,651 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:12:48,652 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:12:48,785 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:12:48,786 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:12:48,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:12:48,787 INFO L158 Benchmark]: Toolchain (without parser) took 18583.81ms. Allocated memory was 155.2MB in the beginning and 459.3MB in the end (delta: 304.1MB). Free memory was 110.9MB in the beginning and 276.8MB in the end (delta: -165.9MB). Peak memory consumption was 139.1MB. Max. memory is 16.1GB. [2023-11-19 03:12:48,787 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 76.5MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:12:48,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.95ms. Allocated memory is still 155.2MB. Free memory was 110.9MB in the beginning and 98.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:12:48,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.28ms. Allocated memory is still 155.2MB. Free memory was 98.4MB in the beginning and 95.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:12:48,789 INFO L158 Benchmark]: Boogie Preprocessor took 44.18ms. Allocated memory is still 155.2MB. Free memory was 95.8MB in the beginning and 94.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:12:48,789 INFO L158 Benchmark]: RCFGBuilder took 723.81ms. Allocated memory is still 155.2MB. Free memory was 94.6MB in the beginning and 108.7MB in the end (delta: -14.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-19 03:12:48,790 INFO L158 Benchmark]: CodeCheck took 17269.98ms. Allocated memory was 155.2MB in the beginning and 459.3MB in the end (delta: 304.1MB). Free memory was 108.7MB in the beginning and 283.0MB in the end (delta: -174.4MB). Peak memory consumption was 131.7MB. Max. memory is 16.1GB. [2023-11-19 03:12:48,790 INFO L158 Benchmark]: Witness Printer took 148.63ms. Allocated memory is still 459.3MB. Free memory was 283.0MB in the beginning and 276.8MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:12:48,793 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 313 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 378 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 127 mSDsCounter, 243 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 702 IncrementalHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 243 mSolverCounterUnsat, 251 mSDtfsCounter, 702 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2125 GetRequests, 1986 SyntacticMatches, 41 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3866 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 1825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 3040/3161 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: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: ((27 <= var_1_6) || (0 <= (var_1_1 + 1))) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((27 <= var_1_6) || (0 <= var_1_1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 76.5MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.95ms. Allocated memory is still 155.2MB. Free memory was 110.9MB in the beginning and 98.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.28ms. Allocated memory is still 155.2MB. Free memory was 98.4MB in the beginning and 95.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.18ms. Allocated memory is still 155.2MB. Free memory was 95.8MB in the beginning and 94.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 723.81ms. Allocated memory is still 155.2MB. Free memory was 94.6MB in the beginning and 108.7MB in the end (delta: -14.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * CodeCheck took 17269.98ms. Allocated memory was 155.2MB in the beginning and 459.3MB in the end (delta: 304.1MB). Free memory was 108.7MB in the beginning and 283.0MB in the end (delta: -174.4MB). Peak memory consumption was 131.7MB. Max. memory is 16.1GB. * Witness Printer took 148.63ms. Allocated memory is still 459.3MB. Free memory was 283.0MB in the beginning and 276.8MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:12:48,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25575b4b-bdd5-45a4-8957-5fb164e56bed/bin/ukojak-verify-G8NBE6pJGL/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