./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label06.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_825fbef4-4059-4fdc-878c-1074aec83e7e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825fbef4-4059-4fdc-878c-1074aec83e7e/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_825fbef4-4059-4fdc-878c-1074aec83e7e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825fbef4-4059-4fdc-878c-1074aec83e7e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825fbef4-4059-4fdc-878c-1074aec83e7e/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_825fbef4-4059-4fdc-878c-1074aec83e7e/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 0ad111d6936056460510a10e712b295b6541e8406527db903438c9aa67289a02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:32:36,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:32:36,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825fbef4-4059-4fdc-878c-1074aec83e7e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:32:36,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:32:36,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:32:37,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:32:37,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:32:37,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:32:37,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:32:37,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:32:37,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:32:37,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:32:37,035 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:32:37,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:32:37,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:32:37,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:32:37,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:32:37,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:32:37,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:32:37,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:32:37,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:32:37,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:32:37,036 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:32:37,036 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:32:37,036 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:32:37,036 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:32:37,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:32:37,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:32:37,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:32:37,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:32:37,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:32:37,039 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:32:37,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:32:37,039 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_825fbef4-4059-4fdc-878c-1074aec83e7e/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 -> 0ad111d6936056460510a10e712b295b6541e8406527db903438c9aa67289a02 [2024-11-13 20:32:37,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:32:37,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:32:37,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:32:37,392 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:32:37,393 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:32:37,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825fbef4-4059-4fdc-878c-1074aec83e7e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c Unable to find full path for "g++" [2024-11-13 20:32:39,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:32:39,780 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:32:39,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825fbef4-4059-4fdc-878c-1074aec83e7e/sv-benchmarks/c/eca-rers2012/Problem10_label06.c [2024-11-13 20:32:39,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825fbef4-4059-4fdc-878c-1074aec83e7e/bin/ukojak-verify-EEHR8qb7sm/data/440eaf25f/5064196aad9c4f09bfebb43808060c01/FLAG8aac892bd [2024-11-13 20:32:39,831 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825fbef4-4059-4fdc-878c-1074aec83e7e/bin/ukojak-verify-EEHR8qb7sm/data/440eaf25f/5064196aad9c4f09bfebb43808060c01 [2024-11-13 20:32:39,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:32:39,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:32:39,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:32:39,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:32:39,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:32:39,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:32:39" (1/1) ... [2024-11-13 20:32:39,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b33c354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:39, skipping insertion in model container [2024-11-13 20:32:39,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:32:39" (1/1) ... [2024-11-13 20:32:39,899 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:32:40,121 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_825fbef4-4059-4fdc-878c-1074aec83e7e/sv-benchmarks/c/eca-rers2012/Problem10_label06.c[2930,2943] [2024-11-13 20:32:40,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:32:40,283 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:32:40,311 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_825fbef4-4059-4fdc-878c-1074aec83e7e/sv-benchmarks/c/eca-rers2012/Problem10_label06.c[2930,2943] [2024-11-13 20:32:40,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:32:40,471 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:32:40,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:40 WrapperNode [2024-11-13 20:32:40,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:32:40,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:32:40,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:32:40,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:32:40,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:40" (1/1) ... [2024-11-13 20:32:40,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:40" (1/1) ... [2024-11-13 20:32:40,602 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-13 20:32:40,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:32:40,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:32:40,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:32:40,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:32:40,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:40" (1/1) ... [2024-11-13 20:32:40,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:40" (1/1) ... [2024-11-13 20:32:40,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:40" (1/1) ... [2024-11-13 20:32:40,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:40" (1/1) ... [2024-11-13 20:32:40,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:40" (1/1) ... [2024-11-13 20:32:40,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:40" (1/1) ... [2024-11-13 20:32:40,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:40" (1/1) ... [2024-11-13 20:32:40,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:40" (1/1) ... [2024-11-13 20:32:40,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:32:40,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:32:40,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:32:40,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:32:40,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:40" (1/1) ... [2024-11-13 20:32:40,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:32:40,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825fbef4-4059-4fdc-878c-1074aec83e7e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:32:40,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825fbef4-4059-4fdc-878c-1074aec83e7e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:32:40,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825fbef4-4059-4fdc-878c-1074aec83e7e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:32:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:32:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:32:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:32:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:32:40,871 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:32:40,873 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:32:42,359 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 20:32:42,360 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:32:45,416 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:32:45,416 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:32:45,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:32:45 BoogieIcfgContainer [2024-11-13 20:32:45,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:32:45,418 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:32:45,418 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:32:45,429 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:32:45,429 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:32:45" (1/1) ... [2024-11-13 20:32:45,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:32:45,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:45,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 20:32:45,505 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 20:32:45,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:32:45,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:45,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:45,767 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 20:32:45,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:45,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 20:32:45,861 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 20:32:45,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:32:45,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:45,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:59,507 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 20:32:59,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:59,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 20:32:59,835 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 20:32:59,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:32:59,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:59,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:19,181 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 20:33:19,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2024-11-13 20:33:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2024-11-13 20:33:19,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:33:19,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:19,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:33:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:30,432 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 20:33:31,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:31,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2024-11-13 20:33:31,366 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-13 20:33:31,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:33:31,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:31,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:33:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:41,336 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 20:33:41,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2024-11-13 20:33:41,774 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2024-11-13 20:33:41,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:33:41,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:41,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:33:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:53,973 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 20:33:54,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2024-11-13 20:33:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 20:33:54,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:33:54,150 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 20:33:54,158 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:33:54,452 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (or (not (= ~a10~0 1)) (< ~a1~0 216))) (and (not (= ~a19~0 6)) .cse0 .cse1))) [2024-11-13 20:33:54,453 INFO L77 FloydHoareUtils]: At program point L82-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (or (not (= ~a10~0 1)) (< ~a1~0 216))) (and (not (= ~a19~0 6)) .cse0 .cse1))) [2024-11-13 20:33:54,453 INFO L77 FloydHoareUtils]: At program point L85-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (or (not (= ~a19~0 6)) (not (= ~a10~0 1)) (< ~a1~0 219)) (= ~a12~0 0)) [2024-11-13 20:33:54,453 INFO L75 FloydHoareUtils]: For program point L86(line 86) no Hoare annotation was computed. [2024-11-13 20:33:54,453 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-13 20:33:54,453 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:33:54,453 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:33:54,453 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 .cse0 .cse1 (or (not (= ~a10~0 1)) (< ~a1~0 216))) (and (not (= ~a19~0 6)) .cse0 .cse1))) [2024-11-13 20:33:54,453 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 86) no Hoare annotation was computed. [2024-11-13 20:33:54,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:33:54 ImpRootNode [2024-11-13 20:33:54,466 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:33:54,469 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:33:54,470 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:33:54,470 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:33:54,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:32:45" (3/4) ... [2024-11-13 20:33:54,473 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:33:54,487 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2024-11-13 20:33:54,488 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 20:33:54,489 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:33:54,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:33:54,616 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825fbef4-4059-4fdc-878c-1074aec83e7e/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:33:54,616 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825fbef4-4059-4fdc-878c-1074aec83e7e/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:33:54,616 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:33:54,617 INFO L158 Benchmark]: Toolchain (without parser) took 74781.04ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 117.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 995.2MB. Max. memory is 16.1GB. [2024-11-13 20:33:54,618 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:54,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.19ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 90.3MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:33:54,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.81ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 82.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:33:54,619 INFO L158 Benchmark]: Boogie Preprocessor took 100.87ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 78.0MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:33:54,619 INFO L158 Benchmark]: RCFGBuilder took 4712.47ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 78.0MB in the beginning and 203.9MB in the end (delta: -125.8MB). Peak memory consumption was 215.8MB. Max. memory is 16.1GB. [2024-11-13 20:33:54,620 INFO L158 Benchmark]: CodeCheck took 69047.96ms. Allocated memory was 402.7MB in the beginning and 2.3GB in the end (delta: 1.9GB). Free memory was 203.9MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 813.0MB. Max. memory is 16.1GB. [2024-11-13 20:33:54,620 INFO L158 Benchmark]: Witness Printer took 147.06ms. Allocated memory is still 2.3GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:33:54,622 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: 68.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 249 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 205 mSDsluCounter, 234 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 140 mSDsCounter, 110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 523 IncrementalHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 110 mSolverCounterUnsat, 94 mSDtfsCounter, 523 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 764 GetRequests, 670 SyntacticMatches, 30 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1875 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 65.3s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 645 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 20/91 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: 86]: 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: ((((14 == a4) && (a12 == 0)) && ((a10 != 1) || (a1 < 216))) || (((a19 != 6) && (14 == a4)) && (a12 == 0))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (((a19 != 6) || (a10 != 1)) || (a1 < 219))) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.19ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 90.3MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.81ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 82.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.87ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 78.0MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4712.47ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 78.0MB in the beginning and 203.9MB in the end (delta: -125.8MB). Peak memory consumption was 215.8MB. Max. memory is 16.1GB. * CodeCheck took 69047.96ms. Allocated memory was 402.7MB in the beginning and 2.3GB in the end (delta: 1.9GB). Free memory was 203.9MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 813.0MB. Max. memory is 16.1GB. * Witness Printer took 147.06ms. Allocated memory is still 2.3GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:33:54,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825fbef4-4059-4fdc-878c-1074aec83e7e/bin/ukojak-verify-EEHR8qb7sm/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