./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3 --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 70ecb2446f57553abe7468e1f232296cdba8856c774fb79cc62538ced35b338d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:49:30,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:49:30,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:49:30,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:49:30,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:49:30,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:49:30,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:49:30,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:49:30,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:49:30,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:49:30,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:49:30,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:49:30,623 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:49:30,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:49:30,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:49:30,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:49:30,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:49:30,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:49:30,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:49:30,624 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:49:30,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:49:30,624 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:49:30,624 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:49:30,625 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:49:30,625 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:49:30,625 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:49:30,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:49:30,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:49:30,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:49:30,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:49:30,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:49:30,625 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:49:30,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:49:30,626 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_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3 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 -> 70ecb2446f57553abe7468e1f232296cdba8856c774fb79cc62538ced35b338d [2024-11-25 03:49:30,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:49:30,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:49:30,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:49:30,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:49:30,913 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:49:30,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2024-11-25 03:49:33,806 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/data/6521419cd/8c6cc7d62c684408953b956dfcd49c94/FLAGc6f983ec0 [2024-11-25 03:49:34,194 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:49:34,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2024-11-25 03:49:34,214 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/data/6521419cd/8c6cc7d62c684408953b956dfcd49c94/FLAGc6f983ec0 [2024-11-25 03:49:34,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/data/6521419cd/8c6cc7d62c684408953b956dfcd49c94 [2024-11-25 03:49:34,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:49:34,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:49:34,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:49:34,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:49:34,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:49:34,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:49:34" (1/1) ... [2024-11-25 03:49:34,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb4527b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:34, skipping insertion in model container [2024-11-25 03:49:34,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:49:34" (1/1) ... [2024-11-25 03:49:34,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:49:34,545 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_d129eedd-b8d9-4905-b49f-66d25bb2d10a/sv-benchmarks/c/eca-rers2012/Problem10_label27.c[6867,6880] [2024-11-25 03:49:34,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:49:34,730 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:49:34,771 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_d129eedd-b8d9-4905-b49f-66d25bb2d10a/sv-benchmarks/c/eca-rers2012/Problem10_label27.c[6867,6880] [2024-11-25 03:49:34,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:49:34,871 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:49:34,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:34 WrapperNode [2024-11-25 03:49:34,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:49:34,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:49:34,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:49:34,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:49:34,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:34" (1/1) ... [2024-11-25 03:49:34,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:34" (1/1) ... [2024-11-25 03:49:34,957 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-25 03:49:34,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:49:34,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:49:34,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:49:34,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:49:34,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:34" (1/1) ... [2024-11-25 03:49:34,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:34" (1/1) ... [2024-11-25 03:49:34,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:34" (1/1) ... [2024-11-25 03:49:34,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:34" (1/1) ... [2024-11-25 03:49:35,001 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:34" (1/1) ... [2024-11-25 03:49:35,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:34" (1/1) ... [2024-11-25 03:49:35,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:34" (1/1) ... [2024-11-25 03:49:35,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:34" (1/1) ... [2024-11-25 03:49:35,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:34" (1/1) ... [2024-11-25 03:49:35,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:49:35,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:49:35,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:49:35,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:49:35,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:49:34" (1/1) ... [2024-11-25 03:49:35,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:49:35,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:49:35,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:49:35,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:49:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:49:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:49:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:49:35,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:49:35,183 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:49:35,187 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:49:36,671 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-25 03:49:36,671 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:49:39,854 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:49:39,854 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:49:39,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:49:39 BoogieIcfgContainer [2024-11-25 03:49:39,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:49:39,856 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:49:39,856 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:49:39,869 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:49:39,869 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:49:39" (1/1) ... [2024-11-25 03:49:39,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:49:39,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:49:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 03:49:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 03:49:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:49:39,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:49:39,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:49:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:49:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:49:40,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:49:40,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 03:49:40,555 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 03:49:40,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:49:40,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:49:40,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:49:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:49:54,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:49:55,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:49:55,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-25 03:49:55,061 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-25 03:49:55,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:49:55,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:49:55,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:49:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:16,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:16,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2024-11-25 03:50:16,683 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-11-25 03:50:16,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:50:16,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:16,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:29,961 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 03:50:30,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:30,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2024-11-25 03:50:30,856 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2024-11-25 03:50:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:50:30,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:30,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 03:50:41,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:41,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2024-11-25 03:50:41,949 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2024-11-25 03:50:41,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:50:41,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:41,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 03:50:52,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:52,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-11-25 03:50:52,620 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-11-25 03:50:52,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:50:52,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:52,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:51:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 03:51:04,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:04,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2024-11-25 03:51:04,318 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2024-11-25 03:51:04,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:51:04,319 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-25 03:51:04,331 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 03:51:04,807 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a10~0 2)) (< 0 (+ 2 ~a1~0)) (not (= 7 ~a19~0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 03:51:04,808 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-25 03:51:04,808 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:51:04,808 INFO L77 FloydHoareUtils]: At program point L190-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 2)) (< 38 ~a1~0) (not (= 7 ~a19~0)))) [2024-11-25 03:51:04,808 INFO L77 FloydHoareUtils]: At program point L193-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 2)) (< 38 ~a1~0) (not (= 7 ~a19~0)))) [2024-11-25 03:51:04,808 INFO L75 FloydHoareUtils]: For program point L194(line 194) no Hoare annotation was computed. [2024-11-25 03:51:04,809 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:51:04,809 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a10~0 2)) (< 0 (+ 2 ~a1~0)) (not (= 7 ~a19~0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 03:51:04,809 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 194) no Hoare annotation was computed. [2024-11-25 03:51:04,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:51:04 ImpRootNode [2024-11-25 03:51:04,824 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:51:04,825 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:51:04,825 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:51:04,825 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:51:04,826 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:49:39" (3/4) ... [2024-11-25 03:51:04,828 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:51:04,847 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-25 03:51:04,848 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 03:51:04,849 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 03:51:04,850 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:51:05,021 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:51:05,023 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:51:05,023 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:51:05,024 INFO L158 Benchmark]: Toolchain (without parser) took 90782.29ms. Allocated memory was 117.4MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 93.1MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 447.7MB. Max. memory is 16.1GB. [2024-11-25 03:51:05,025 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:51:05,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 629.00ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 66.1MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:51:05,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.66ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 58.2MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:51:05,027 INFO L158 Benchmark]: Boogie Preprocessor took 71.88ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 53.8MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:51:05,028 INFO L158 Benchmark]: RCFGBuilder took 4824.71ms. Allocated memory was 117.4MB in the beginning and 494.9MB in the end (delta: 377.5MB). Free memory was 53.8MB in the beginning and 325.9MB in the end (delta: -272.1MB). Peak memory consumption was 183.9MB. Max. memory is 16.1GB. [2024-11-25 03:51:05,029 INFO L158 Benchmark]: CodeCheck took 84968.44ms. Allocated memory was 494.9MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 325.9MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 289.4MB. Max. memory is 16.1GB. [2024-11-25 03:51:05,030 INFO L158 Benchmark]: Witness Printer took 198.51ms. Allocated memory is still 2.0GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:51:05,031 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: 84.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 270 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 222 mSDsluCounter, 217 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 653 IncrementalHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 125 mSolverCounterUnsat, 91 mSDtfsCounter, 653 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 913 GetRequests, 774 SyntacticMatches, 49 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3748 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 78.5s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 1068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 60/97 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 194]: 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: (((((a10 != 2) || (0 < ((long long) 2 + a1))) || (7 != a19)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (a12 == 0)) && (((a10 != 2) || (38 < a1)) || (7 != a19))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 629.00ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 66.1MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.66ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 58.2MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.88ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 53.8MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4824.71ms. Allocated memory was 117.4MB in the beginning and 494.9MB in the end (delta: 377.5MB). Free memory was 53.8MB in the beginning and 325.9MB in the end (delta: -272.1MB). Peak memory consumption was 183.9MB. Max. memory is 16.1GB. * CodeCheck took 84968.44ms. Allocated memory was 494.9MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 325.9MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 289.4MB. Max. memory is 16.1GB. * Witness Printer took 198.51ms. Allocated memory is still 2.0GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:51:05,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d129eedd-b8d9-4905-b49f-66d25bb2d10a/bin/ukojak-verify-ENZ3QT5qd3/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