./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 952556ed09eb97342c813289f4f977504950938040f886fc499d9dbce543872a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:53:44,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:53:44,148 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:53:44,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:53:44,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:53:44,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:53:44,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:53:44,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:53:44,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:53:44,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:53:44,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:53:44,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:53:44,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:53:44,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:53:44,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:53:44,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:53:44,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:53:44,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:53:44,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:53:44,198 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:53:44,198 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:53:44,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:53:44,199 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:53:44,199 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:53:44,199 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:53:44,199 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:53:44,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:53:44,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:53:44,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:53:44,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:53:44,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:53:44,200 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:53:44,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:53:44,200 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_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 952556ed09eb97342c813289f4f977504950938040f886fc499d9dbce543872a [2024-11-13 22:53:44,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:53:44,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:53:44,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:53:44,543 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:53:44,543 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:53:44,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem10_label03.c Unable to find full path for "g++" [2024-11-13 22:53:46,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:53:46,875 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:53:46,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/sv-benchmarks/c/eca-rers2012/Problem10_label03.c [2024-11-13 22:53:46,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/data/23585e83b/ac843dee02f2493cacd13b6768495621/FLAGea517a2f9 [2024-11-13 22:53:46,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/data/23585e83b/ac843dee02f2493cacd13b6768495621 [2024-11-13 22:53:46,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:53:46,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:53:46,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:53:46,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:53:46,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:53:46,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4539f069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:46, skipping insertion in model container [2024-11-13 22:53:46,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,978 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:53:47,292 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_44880dda-9fdb-4c32-b26c-3f511c71d2ac/sv-benchmarks/c/eca-rers2012/Problem10_label03.c[4220,4233] [2024-11-13 22:53:47,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:53:47,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:53:47,611 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_44880dda-9fdb-4c32-b26c-3f511c71d2ac/sv-benchmarks/c/eca-rers2012/Problem10_label03.c[4220,4233] [2024-11-13 22:53:47,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:53:47,786 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:53:47,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:47 WrapperNode [2024-11-13 22:53:47,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:53:47,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:53:47,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:53:47,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:53:47,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:47" (1/1) ... [2024-11-13 22:53:47,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:47" (1/1) ... [2024-11-13 22:53:47,959 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-13 22:53:47,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:53:47,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:53:47,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:53:47,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:53:47,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:47" (1/1) ... [2024-11-13 22:53:47,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:47" (1/1) ... [2024-11-13 22:53:47,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:47" (1/1) ... [2024-11-13 22:53:47,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:47" (1/1) ... [2024-11-13 22:53:48,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:47" (1/1) ... [2024-11-13 22:53:48,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:47" (1/1) ... [2024-11-13 22:53:48,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:47" (1/1) ... [2024-11-13 22:53:48,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:47" (1/1) ... [2024-11-13 22:53:48,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:53:48,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:53:48,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:53:48,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:53:48,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:47" (1/1) ... [2024-11-13 22:53:48,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:53:48,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:53:48,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:53:48,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:53:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:53:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:53:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:53:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:53:48,282 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:53:48,285 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:53:49,840 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 22:53:49,840 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:53:53,074 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:53:53,074 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:53:53,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:53:53 BoogieIcfgContainer [2024-11-13 22:53:53,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:53:53,075 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:53:53,075 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:53:53,087 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:53:53,087 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:53:53" (1/1) ... [2024-11-13 22:53:53,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:53:53,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:53,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:53:53,162 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:53:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:53:53,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:53,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:53,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:53:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:53,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 22:53:53,533 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 22:53:53,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:53:53,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:53,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:07,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:54:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:07,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-13 22:54:07,706 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-13 22:54:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:54:07,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:07,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:27,506 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:54:28,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:28,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-11-13 22:54:28,737 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-13 22:54:28,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:54:28,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:28,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:43,841 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:54:44,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:44,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 70 transitions. [2024-11-13 22:54:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 70 transitions. [2024-11-13 22:54:44,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:54:44,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:44,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:54,927 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:54:55,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2024-11-13 22:54:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2024-11-13 22:54:55,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:54:55,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:55,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:05,294 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:55:06,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:06,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions. [2024-11-13 22:55:06,001 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2024-11-13 22:55:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:55:06,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:55:06,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:55:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:15,761 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:55:16,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:16,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 61 transitions. [2024-11-13 22:55:16,007 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 61 transitions. [2024-11-13 22:55:16,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:55:16,008 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-13 22:55:16,016 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:55:16,482 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (< ~a19~0 6) (not (= ~a10~0 1)) (< 0 (+ ~a1~0 8))) .cse0 .cse1) (and (< 6 ~a19~0) .cse0 .cse1))) [2024-11-13 22:55:16,482 INFO L77 FloydHoareUtils]: At program point L118-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 1)) (and (<= 0 (+ ~a1~0 12)) (<= ~a1~0 218))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 22:55:16,483 INFO L77 FloydHoareUtils]: At program point L121-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 1)) (and (<= 0 (+ ~a1~0 12)) (<= ~a1~0 218))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 22:55:16,483 INFO L75 FloydHoareUtils]: For program point L122(line 122) no Hoare annotation was computed. [2024-11-13 22:55:16,483 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-13 22:55:16,483 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:55:16,483 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:55:16,484 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (< ~a19~0 6) (not (= ~a10~0 1)) (< 0 (+ ~a1~0 8))) .cse0 .cse1) (and (< 6 ~a19~0) .cse0 .cse1))) [2024-11-13 22:55:16,484 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2024-11-13 22:55:16,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:55:16 ImpRootNode [2024-11-13 22:55:16,498 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:55:16,498 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:55:16,499 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:55:16,499 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:55:16,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:53:53" (3/4) ... [2024-11-13 22:55:16,502 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:55:16,517 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2024-11-13 22:55:16,518 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 22:55:16,519 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:55:16,520 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:55:16,691 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:55:16,691 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:55:16,691 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:55:16,692 INFO L158 Benchmark]: Toolchain (without parser) took 89770.79ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 93.0MB in the beginning and 1.5GB in the end (delta: -1.5GB). Peak memory consumption was 133.8MB. Max. memory is 16.1GB. [2024-11-13 22:55:16,693 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:55:16,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 864.48ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 65.9MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:55:16,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 171.04ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 58.2MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:55:16,693 INFO L158 Benchmark]: Boogie Preprocessor took 116.41ms. 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. [2024-11-13 22:55:16,694 INFO L158 Benchmark]: RCFGBuilder took 4995.95ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 53.8MB in the beginning and 116.9MB in the end (delta: -63.2MB). Peak memory consumption was 142.1MB. Max. memory is 16.1GB. [2024-11-13 22:55:16,694 INFO L158 Benchmark]: CodeCheck took 83422.56ms. Allocated memory was 285.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 116.9MB in the beginning and 1.6GB in the end (delta: -1.4GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:55:16,694 INFO L158 Benchmark]: Witness Printer took 192.82ms. Allocated memory is still 1.7GB. Free memory was 1.6GB in the beginning and 1.5GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:55:16,700 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: 82.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 268 mSDsluCounter, 301 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 182 mSDsCounter, 148 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 822 IncrementalHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 148 mSolverCounterUnsat, 119 mSDtfsCounter, 822 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 916 GetRequests, 788 SyntacticMatches, 36 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4018 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 77.4s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 1006 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 36/86 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: 122]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((a19 < 6) || (a10 != 1)) || (0 < ((long long) a1 + 8))) && (14 == a4)) && (a12 == 0)) || (((6 < a19) && (14 == a4)) && (a12 == 0))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a19 != 6) || (a10 != 1)) || ((0 <= ((long long) a1 + 12)) && (a1 <= 218))) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 864.48ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 65.9MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 171.04ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 58.2MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.41ms. 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 4995.95ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 53.8MB in the beginning and 116.9MB in the end (delta: -63.2MB). Peak memory consumption was 142.1MB. Max. memory is 16.1GB. * CodeCheck took 83422.56ms. Allocated memory was 285.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 116.9MB in the beginning and 1.6GB in the end (delta: -1.4GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 192.82ms. Allocated memory is still 1.7GB. Free memory was 1.6GB in the beginning and 1.5GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:55:16,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44880dda-9fdb-4c32-b26c-3f511c71d2ac/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE