./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label44.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_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b --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 e65715203b5986c0877aee121b02f1098e69f701c6bd353eab2daeab84d5a285 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:11:37,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:11:37,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:11:37,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:11:37,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:11:37,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:11:37,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:11:37,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:11:37,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:11:37,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:11:37,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:11:37,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:11:37,475 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:11:37,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:11:37,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:11:37,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:11:37,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:11:37,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:11:37,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:11:37,476 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:11:37,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:11:37,476 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:11:37,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:11:37,476 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:11:37,476 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:11:37,476 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:11:37,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:11:37,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:11:37,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:11:37,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:11:37,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:11:37,477 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:11:37,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:11:37,477 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_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b 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 -> e65715203b5986c0877aee121b02f1098e69f701c6bd353eab2daeab84d5a285 [2024-12-06 06:11:37,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:11:37,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:11:37,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:11:37,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:11:37,729 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:11:37,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem10_label44.c [2024-12-06 06:11:40,429 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/data/9a8104067/df3e36a4cdf64d0084fe187f429cd759/FLAG89a8bbde2 [2024-12-06 06:11:40,666 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:11:40,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/sv-benchmarks/c/eca-rers2012/Problem10_label44.c [2024-12-06 06:11:40,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/data/9a8104067/df3e36a4cdf64d0084fe187f429cd759/FLAG89a8bbde2 [2024-12-06 06:11:40,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/data/9a8104067/df3e36a4cdf64d0084fe187f429cd759 [2024-12-06 06:11:40,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:11:40,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:11:40,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:11:40,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:11:40,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:11:40,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:11:40" (1/1) ... [2024-12-06 06:11:40,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebe5c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:40, skipping insertion in model container [2024-12-06 06:11:40,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:11:40" (1/1) ... [2024-12-06 06:11:40,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:11:40,906 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_2c1d13c9-de10-4569-8e0e-9148b53df7ff/sv-benchmarks/c/eca-rers2012/Problem10_label44.c[6569,6582] [2024-12-06 06:11:40,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:11:41,006 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:11:41,031 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_2c1d13c9-de10-4569-8e0e-9148b53df7ff/sv-benchmarks/c/eca-rers2012/Problem10_label44.c[6569,6582] [2024-12-06 06:11:41,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:11:41,108 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:11:41,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:41 WrapperNode [2024-12-06 06:11:41,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:11:41,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:11:41,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:11:41,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:11:41,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:41" (1/1) ... [2024-12-06 06:11:41,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:41" (1/1) ... [2024-12-06 06:11:41,174 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-12-06 06:11:41,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:11:41,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:11:41,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:11:41,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:11:41,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:41" (1/1) ... [2024-12-06 06:11:41,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:41" (1/1) ... [2024-12-06 06:11:41,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:41" (1/1) ... [2024-12-06 06:11:41,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:41" (1/1) ... [2024-12-06 06:11:41,206 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:41" (1/1) ... [2024-12-06 06:11:41,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:41" (1/1) ... [2024-12-06 06:11:41,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:41" (1/1) ... [2024-12-06 06:11:41,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:41" (1/1) ... [2024-12-06 06:11:41,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:41" (1/1) ... [2024-12-06 06:11:41,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:11:41,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:11:41,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:11:41,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:11:41,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:41" (1/1) ... [2024-12-06 06:11:41,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:11:41,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:11:41,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:11:41,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:11:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:11:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:11:41,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:11:41,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:11:41,341 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:11:41,343 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:11:42,279 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-06 06:11:42,280 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:11:44,302 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:11:44,302 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 06:11:44,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:11:44 BoogieIcfgContainer [2024-12-06 06:11:44,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:11:44,303 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:11:44,303 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:11:44,311 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:11:44,311 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:11:44" (1/1) ... [2024-12-06 06:11:44,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:11:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 06:11:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 06:11:44,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 06:11:44,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:44,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:44,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:11:44,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 06:11:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 06:11:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:11:44,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:44,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:52,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:11:53,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:53,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-12-06 06:11:53,181 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-12-06 06:11:53,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:11:53,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:53,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:07,601 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:12:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:08,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2024-12-06 06:12:08,770 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2024-12-06 06:12:08,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:12:08,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:08,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:12:23,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 34 states and 67 transitions. [2024-12-06 06:12:23,520 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 67 transitions. [2024-12-06 06:12:23,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:12:23,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:23,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:33,737 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:12:34,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 38 states and 77 transitions. [2024-12-06 06:12:34,492 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 77 transitions. [2024-12-06 06:12:34,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:12:34,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:34,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:45,023 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 06:12:45,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:45,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 26 states and 52 transitions. [2024-12-06 06:12:45,362 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 52 transitions. [2024-12-06 06:12:45,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 06:12:45,363 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 06:12:45,370 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 06:12:45,743 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a10~0 1)) (< (+ ~a1~0 12) 0) (not (= ~a19~0 8)) (< 38 ~a1~0)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 06:12:45,743 INFO L77 FloydHoareUtils]: At program point L181-1(lines 30 584) the Hoare annotation is: (let ((.cse2 (not (= ~a10~0 1))) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse3 (not (= ~a10~0 0)))) (or (and (not (= ~a19~0 8)) .cse0 .cse1) (and .cse2 (not (= ~a10~0 4)) .cse0 .cse1 .cse3) (and .cse2 .cse0 (or (< (+ ~a1~0 12) 0) (< 38 ~a1~0)) .cse1 .cse3))) [2024-12-06 06:12:45,744 INFO L77 FloydHoareUtils]: At program point L184-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 8)))) (and (or (< (+ ~a1~0 12) 0) .cse0 (not (= ~a10~0 0))) (or (not (= ~a10~0 1)) .cse0) (= 14 ~a4~0) (= ~a12~0 0))) [2024-12-06 06:12:45,744 INFO L75 FloydHoareUtils]: For program point L185(line 185) no Hoare annotation was computed. [2024-12-06 06:12:45,744 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-12-06 06:12:45,744 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 06:12:45,744 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 06:12:45,744 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a10~0 1)) (< (+ ~a1~0 12) 0) (not (= ~a19~0 8)) (< 38 ~a1~0)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 06:12:45,744 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2024-12-06 06:12:45,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:12:45 ImpRootNode [2024-12-06 06:12:45,753 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:12:45,754 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:12:45,754 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:12:45,754 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:12:45,755 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:11:44" (3/4) ... [2024-12-06 06:12:45,756 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 06:12:45,768 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-12-06 06:12:45,769 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-06 06:12:45,770 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 06:12:45,771 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 06:12:45,878 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:12:45,878 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:12:45,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:12:45,879 INFO L158 Benchmark]: Toolchain (without parser) took 65181.64ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 114.5MB in the beginning and 1.1GB in the end (delta: -955.8MB). Peak memory consumption was 349.7MB. Max. memory is 16.1GB. [2024-12-06 06:12:45,879 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:12:45,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.74ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 87.2MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 06:12:45,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.43ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 79.6MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:12:45,880 INFO L158 Benchmark]: Boogie Preprocessor took 53.65ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 75.0MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:12:45,881 INFO L158 Benchmark]: RCFGBuilder took 3073.20ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 75.0MB in the beginning and 321.8MB in the end (delta: -246.8MB). Peak memory consumption was 170.4MB. Max. memory is 16.1GB. [2024-12-06 06:12:45,881 INFO L158 Benchmark]: CodeCheck took 61450.16ms. Allocated memory was 444.6MB in the beginning and 1.5GB in the end (delta: 1.0GB). Free memory was 321.8MB in the beginning and 1.1GB in the end (delta: -761.0MB). Peak memory consumption was 247.4MB. Max. memory is 16.1GB. [2024-12-06 06:12:45,881 INFO L158 Benchmark]: Witness Printer took 124.44ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:12:45,883 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: 61.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 221 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 188 mSDsluCounter, 204 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 622 IncrementalHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 84 mSDtfsCounter, 622 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 770 GetRequests, 636 SyntacticMatches, 30 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5526 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 56.9s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 1018 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 36/65 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: 185]: 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 != 1) || (((long long) a1 + 12) < 0)) || (a19 != 8)) || (38 < a1)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((((((long long) a1 + 12) < 0) || (a19 != 8)) || (a10 != 0)) && ((a10 != 1) || (a19 != 8))) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.74ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 87.2MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.43ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 79.6MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.65ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 75.0MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3073.20ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 75.0MB in the beginning and 321.8MB in the end (delta: -246.8MB). Peak memory consumption was 170.4MB. Max. memory is 16.1GB. * CodeCheck took 61450.16ms. Allocated memory was 444.6MB in the beginning and 1.5GB in the end (delta: 1.0GB). Free memory was 321.8MB in the beginning and 1.1GB in the end (delta: -761.0MB). Peak memory consumption was 247.4MB. Max. memory is 16.1GB. * Witness Printer took 124.44ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 06:12:45,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1d13c9-de10-4569-8e0e-9148b53df7ff/bin/ukojak-verify-CZk0znPC7b/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