./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label09.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_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/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_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/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_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/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 0cc06aa14e3792b39a1660d29e8d4f8f87253b3eeb122cbd1713b212029132ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:18:42,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:18:42,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:18:42,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:18:42,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:18:42,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:18:42,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:18:42,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:18:42,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:18:42,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:18:42,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:18:42,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:18:42,731 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:18:42,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:18:42,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:18:42,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:18:42,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:18:42,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:18:42,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:18:42,734 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:18:42,734 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:18:42,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:18:42,734 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:18:42,735 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:18:42,735 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:18:42,735 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:18:42,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:18:42,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:42,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:18:42,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:18:42,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:18:42,736 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:18:42,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:18:42,736 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_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/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 -> 0cc06aa14e3792b39a1660d29e8d4f8f87253b3eeb122cbd1713b212029132ef [2024-11-13 23:18:43,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:18:43,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:18:43,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:18:43,052 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:18:43,053 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:18:43,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem10_label09.c Unable to find full path for "g++" [2024-11-13 23:18:45,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:18:45,487 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:18:45,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2024-11-13 23:18:45,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/bin/ukojak-verify-EEHR8qb7sm/data/a7ff14710/8c5b1d668d8444b98323709927ac2db4/FLAG9da25ff84 [2024-11-13 23:18:45,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/bin/ukojak-verify-EEHR8qb7sm/data/a7ff14710/8c5b1d668d8444b98323709927ac2db4 [2024-11-13 23:18:45,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:18:45,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:18:45,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:45,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:18:45,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:18:45,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:45" (1/1) ... [2024-11-13 23:18:45,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2e7b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:45, skipping insertion in model container [2024-11-13 23:18:45,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:18:45" (1/1) ... [2024-11-13 23:18:45,591 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:18:45,816 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_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/sv-benchmarks/c/eca-rers2012/Problem10_label09.c[6451,6464] [2024-11-13 23:18:45,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:46,000 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:18:46,034 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_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/sv-benchmarks/c/eca-rers2012/Problem10_label09.c[6451,6464] [2024-11-13 23:18:46,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:18:46,164 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:18:46,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:46 WrapperNode [2024-11-13 23:18:46,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:18:46,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:46,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:18:46,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:18:46,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:46" (1/1) ... [2024-11-13 23:18:46,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:46" (1/1) ... [2024-11-13 23:18:46,272 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-13 23:18:46,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:18:46,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:18:46,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:18:46,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:18:46,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:46" (1/1) ... [2024-11-13 23:18:46,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:46" (1/1) ... [2024-11-13 23:18:46,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:46" (1/1) ... [2024-11-13 23:18:46,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:46" (1/1) ... [2024-11-13 23:18:46,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:46" (1/1) ... [2024-11-13 23:18:46,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:46" (1/1) ... [2024-11-13 23:18:46,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:46" (1/1) ... [2024-11-13 23:18:46,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:46" (1/1) ... [2024-11-13 23:18:46,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:18:46,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:18:46,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:18:46,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:18:46,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:18:46" (1/1) ... [2024-11-13 23:18:46,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:18:46,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:18:46,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:18:46,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:18:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:18:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:18:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:18:46,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:18:46,563 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:18:46,565 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:18:48,292 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 23:18:48,292 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:18:51,600 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:18:51,601 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:18:51,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:51 BoogieIcfgContainer [2024-11-13 23:18:51,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:18:51,602 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:18:51,602 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:18:51,615 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:18:51,616 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:51" (1/1) ... [2024-11-13 23:18:51,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:18:51,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:51,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 23:18:51,685 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 23:18:51,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:18:51,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:51,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:51,980 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 23:18:52,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:52,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 23:18:52,137 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 23:18:52,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:18:52,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:52,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:06,125 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 23:19:06,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:06,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-13 23:19:06,839 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-13 23:19:06,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:19:06,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:06,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:20,049 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:19:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:21,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2024-11-13 23:19:21,129 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2024-11-13 23:19:21,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:19:21,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:21,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:37,970 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 23:19:38,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:38,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-13 23:19:38,717 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-13 23:19:38,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:19:38,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:38,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 23:19:51,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:51,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2024-11-13 23:19:51,953 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2024-11-13 23:19:51,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:19:51,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:51,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:04,308 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 23:20:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-13 23:20:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-13 23:20:04,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:20:04,944 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 23:20:04,954 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:20:05,453 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 2)) (< 218 ~a1~0) (< ~a1~0 39)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 23:20:05,454 INFO L77 FloydHoareUtils]: At program point L178-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 2)) (< 218 ~a1~0) (< ~a1~0 39)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 23:20:05,454 INFO L77 FloydHoareUtils]: At program point L181-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 2)) (< 218 ~a1~0) (< ~a1~0 39)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 23:20:05,454 INFO L75 FloydHoareUtils]: For program point L182(line 182) no Hoare annotation was computed. [2024-11-13 23:20:05,454 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-13 23:20:05,454 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:20:05,454 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:20:05,454 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 2)) (< 218 ~a1~0) (< ~a1~0 39)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 23:20:05,455 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed. [2024-11-13 23:20:05,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:20:05 ImpRootNode [2024-11-13 23:20:05,468 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:20:05,469 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:20:05,469 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:20:05,469 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:20:05,470 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:51" (3/4) ... [2024-11-13 23:20:05,472 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:20:05,487 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-13 23:20:05,488 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 23:20:05,489 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:20:05,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:20:05,654 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:20:05,655 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:20:05,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:20:05,656 INFO L158 Benchmark]: Toolchain (without parser) took 80132.61ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 90.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 625.1MB. Max. memory is 16.1GB. [2024-11-13 23:20:05,656 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:20:05,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.08ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 62.9MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:20:05,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.51ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 55.4MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:20:05,657 INFO L158 Benchmark]: Boogie Preprocessor took 91.77ms. Allocated memory is still 117.4MB. Free memory was 55.0MB in the beginning and 50.6MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:20:05,657 INFO L158 Benchmark]: RCFGBuilder took 5235.31ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 50.6MB in the beginning and 101.2MB in the end (delta: -50.7MB). Peak memory consumption was 134.5MB. Max. memory is 16.1GB. [2024-11-13 23:20:05,658 INFO L158 Benchmark]: CodeCheck took 73865.89ms. Allocated memory was 268.4MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 101.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 473.9MB. Max. memory is 16.1GB. [2024-11-13 23:20:05,658 INFO L158 Benchmark]: Witness Printer took 186.20ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:20:05,660 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: 73.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 247 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 216 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 99 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 524 IncrementalHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 99 mSolverCounterUnsat, 88 mSDtfsCounter, 524 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 730 GetRequests, 611 SyntacticMatches, 29 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3824 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 68.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 778 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 28/65 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 - PositiveResult [Line: 182]: 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 != 2)) || (218 < a1)) || (a1 < 39)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((((a19 != 6) || (a10 != 2)) || (218 < a1)) || (a1 < 39)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.08ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 62.9MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.51ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 55.4MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.77ms. Allocated memory is still 117.4MB. Free memory was 55.0MB in the beginning and 50.6MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5235.31ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 50.6MB in the beginning and 101.2MB in the end (delta: -50.7MB). Peak memory consumption was 134.5MB. Max. memory is 16.1GB. * CodeCheck took 73865.89ms. Allocated memory was 268.4MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 101.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 473.9MB. Max. memory is 16.1GB. * Witness Printer took 186.20ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.2GB 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 23:20:05,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674c8cfc-0fd6-4fd6-8ff7-57be1b309e85/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