./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label54.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_422c7842-f209-4de8-af46-84572cef2fdc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422c7842-f209-4de8-af46-84572cef2fdc/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_422c7842-f209-4de8-af46-84572cef2fdc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422c7842-f209-4de8-af46-84572cef2fdc/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label54.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422c7842-f209-4de8-af46-84572cef2fdc/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_422c7842-f209-4de8-af46-84572cef2fdc/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 feb39bca06af67d7ac060da1dc3bc8180fef7df0c321a0d50ad90b8125c604ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:16:38,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:16:38,606 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422c7842-f209-4de8-af46-84572cef2fdc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:16:38,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:16:38,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:16:38,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:16:38,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:16:38,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:16:38,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:16:38,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:16:38,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:16:38,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:16:38,659 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:16:38,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:16:38,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:16:38,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:16:38,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:16:38,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:16:38,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:16:38,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:16:38,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:16:38,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:16:38,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:16:38,662 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:16:38,663 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:16:38,663 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:16:38,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:16:38,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:16:38,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:16:38,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:16:38,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:16:38,663 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:16:38,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:16:38,664 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_422c7842-f209-4de8-af46-84572cef2fdc/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 -> feb39bca06af67d7ac060da1dc3bc8180fef7df0c321a0d50ad90b8125c604ff [2024-11-13 22:16:39,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:16:39,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:16:39,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:16:39,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:16:39,041 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:16:39,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422c7842-f209-4de8-af46-84572cef2fdc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem10_label54.c Unable to find full path for "g++" [2024-11-13 22:16:41,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:16:41,491 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:16:41,492 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422c7842-f209-4de8-af46-84572cef2fdc/sv-benchmarks/c/eca-rers2012/Problem10_label54.c [2024-11-13 22:16:41,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422c7842-f209-4de8-af46-84572cef2fdc/bin/ukojak-verify-EEHR8qb7sm/data/8bac9622e/98eb5001eb0f42569265665659f16f23/FLAG4525a7fd9 [2024-11-13 22:16:41,531 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422c7842-f209-4de8-af46-84572cef2fdc/bin/ukojak-verify-EEHR8qb7sm/data/8bac9622e/98eb5001eb0f42569265665659f16f23 [2024-11-13 22:16:41,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:16:41,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:16:41,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:16:41,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:16:41,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:16:41,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:16:41" (1/1) ... [2024-11-13 22:16:41,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3545f2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:41, skipping insertion in model container [2024-11-13 22:16:41,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:16:41" (1/1) ... [2024-11-13 22:16:41,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:16:41,835 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_422c7842-f209-4de8-af46-84572cef2fdc/sv-benchmarks/c/eca-rers2012/Problem10_label54.c[7067,7080] [2024-11-13 22:16:41,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:16:41,988 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:16:42,020 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_422c7842-f209-4de8-af46-84572cef2fdc/sv-benchmarks/c/eca-rers2012/Problem10_label54.c[7067,7080] [2024-11-13 22:16:42,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:16:42,137 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:16:42,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:42 WrapperNode [2024-11-13 22:16:42,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:16:42,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:16:42,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:16:42,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:16:42,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:42" (1/1) ... [2024-11-13 22:16:42,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:42" (1/1) ... [2024-11-13 22:16:42,241 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-13 22:16:42,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:16:42,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:16:42,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:16:42,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:16:42,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:42" (1/1) ... [2024-11-13 22:16:42,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:42" (1/1) ... [2024-11-13 22:16:42,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:42" (1/1) ... [2024-11-13 22:16:42,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:42" (1/1) ... [2024-11-13 22:16:42,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:42" (1/1) ... [2024-11-13 22:16:42,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:42" (1/1) ... [2024-11-13 22:16:42,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:42" (1/1) ... [2024-11-13 22:16:42,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:42" (1/1) ... [2024-11-13 22:16:42,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:16:42,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:16:42,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:16:42,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:16:42,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:42" (1/1) ... [2024-11-13 22:16:42,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:16:42,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422c7842-f209-4de8-af46-84572cef2fdc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:16:42,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422c7842-f209-4de8-af46-84572cef2fdc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:16:42,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422c7842-f209-4de8-af46-84572cef2fdc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:16:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:16:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:16:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:16:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:16:42,500 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:16:42,503 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:16:44,106 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 22:16:44,106 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:16:47,192 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:16:47,193 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:16:47,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:16:47 BoogieIcfgContainer [2024-11-13 22:16:47,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:16:47,194 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:16:47,194 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:16:47,206 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:16:47,206 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:16:47" (1/1) ... [2024-11-13 22:16:47,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:16:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:47,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:16:47,285 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:16:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:16:47,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:47,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:47,616 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 22:16:47,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 22:16:47,708 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 22:16:47,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:16:47,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:47,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:02,140 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 22:17:03,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:03,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-13 22:17:03,005 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-13 22:17:03,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:17:03,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:03,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:16,534 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:17:17,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:17,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2024-11-13 22:17:17,833 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2024-11-13 22:17:17,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:17:17,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:17,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:35,169 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 22:17:36,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 63 transitions. [2024-11-13 22:17:36,315 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2024-11-13 22:17:36,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:17:36,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:36,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:47,298 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:17:47,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:47,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2024-11-13 22:17:47,740 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2024-11-13 22:17:47,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:17:47,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:47,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:58,386 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 22:17:59,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:59,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2024-11-13 22:17:59,343 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2024-11-13 22:17:59,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:17:59,343 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 22:17:59,353 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:17:59,940 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a19~0 8)) (not (= ~a10~0 3)) (< ~a1~0 37))) [2024-11-13 22:17:59,940 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-13 22:17:59,940 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:17:59,940 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:17:59,940 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a19~0 8)) (not (= ~a10~0 3)) (< ~a1~0 37))) [2024-11-13 22:17:59,941 INFO L77 FloydHoareUtils]: At program point L196-1(lines 30 584) the Hoare annotation is: (let ((.cse2 (not (= ~a10~0 3))) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (not (= ~a10~0 4)) .cse0 .cse1 .cse2) (let ((.cse3 (not (= ~a19~0 8)))) (and (or .cse3 .cse2) .cse0 (or .cse3 (< 0 (+ ~a1~0 13))) .cse1 (or (< ~a1~0 219) .cse3))))) [2024-11-13 22:17:59,941 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 200) no Hoare annotation was computed. [2024-11-13 22:17:59,941 INFO L77 FloydHoareUtils]: At program point L199-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 8)) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 22:17:59,941 INFO L75 FloydHoareUtils]: For program point L200(line 200) no Hoare annotation was computed. [2024-11-13 22:17:59,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:17:59 ImpRootNode [2024-11-13 22:17:59,954 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:17:59,954 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:17:59,955 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:17:59,955 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:17:59,956 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:16:47" (3/4) ... [2024-11-13 22:17:59,958 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:17:59,981 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-13 22:17:59,982 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 22:17:59,985 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:17:59,986 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:18:00,163 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422c7842-f209-4de8-af46-84572cef2fdc/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:18:00,164 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422c7842-f209-4de8-af46-84572cef2fdc/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:18:00,164 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:18:00,165 INFO L158 Benchmark]: Toolchain (without parser) took 78627.83ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 117.4MB in the beginning and 776.0MB in the end (delta: -658.6MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-13 22:18:00,167 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:00,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.86ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 89.9MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:18:00,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.10ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 82.3MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:00,169 INFO L158 Benchmark]: Boogie Preprocessor took 77.66ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 77.8MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:00,169 INFO L158 Benchmark]: RCFGBuilder took 4873.16ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 77.8MB in the beginning and 285.2MB in the end (delta: -207.5MB). Peak memory consumption was 234.8MB. Max. memory is 16.1GB. [2024-11-13 22:18:00,171 INFO L158 Benchmark]: CodeCheck took 72759.91ms. Allocated memory was 427.8MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 285.2MB in the beginning and 788.5MB in the end (delta: -503.2MB). Peak memory consumption was 926.8MB. Max. memory is 16.1GB. [2024-11-13 22:18:00,171 INFO L158 Benchmark]: Witness Printer took 209.87ms. Allocated memory is still 1.9GB. Free memory was 788.5MB in the beginning and 776.0MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:00,174 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: 72.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 177 mSDsluCounter, 216 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 92 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 515 IncrementalHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 92 mSolverCounterUnsat, 88 mSDtfsCounter, 515 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 737 GetRequests, 616 SyntacticMatches, 29 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4006 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 66.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 820 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 38/65 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: 200]: 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)) && (((a19 != 8) || (a10 != 3)) || (a1 < 37))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((a19 != 8) || (a10 != 3)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.86ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 89.9MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.10ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 82.3MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.66ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 77.8MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4873.16ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 77.8MB in the beginning and 285.2MB in the end (delta: -207.5MB). Peak memory consumption was 234.8MB. Max. memory is 16.1GB. * CodeCheck took 72759.91ms. Allocated memory was 427.8MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 285.2MB in the beginning and 788.5MB in the end (delta: -503.2MB). Peak memory consumption was 926.8MB. Max. memory is 16.1GB. * Witness Printer took 209.87ms. Allocated memory is still 1.9GB. Free memory was 788.5MB in the beginning and 776.0MB 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 22:18:00,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422c7842-f209-4de8-af46-84572cef2fdc/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