./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label43.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_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/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_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label43.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/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_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/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 a7b85a68724f5afc4ed57f536cb2f17f7de1e36fdc537e0c0591e3a43de5da10 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:49:59,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:49:59,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:49:59,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:49:59,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:49:59,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:49:59,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:49:59,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:49:59,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:49:59,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:49:59,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:49:59,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:49:59,795 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:49:59,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:49:59,796 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:49:59,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:49:59,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:49:59,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:49:59,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:49:59,797 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:49:59,798 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:49:59,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:49:59,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:49:59,798 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:49:59,798 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:49:59,798 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:49:59,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:49:59,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:59,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:49:59,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:49:59,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:49:59,799 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:49:59,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:49:59,799 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_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/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 -> a7b85a68724f5afc4ed57f536cb2f17f7de1e36fdc537e0c0591e3a43de5da10 [2024-11-13 21:50:00,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:50:00,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:50:00,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:50:00,186 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:50:00,188 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:50:00,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem10_label43.c Unable to find full path for "g++" [2024-11-13 21:50:02,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:50:02,531 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:50:02,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/sv-benchmarks/c/eca-rers2012/Problem10_label43.c [2024-11-13 21:50:02,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/bin/ukojak-verify-EEHR8qb7sm/data/f4c497c75/060936ced89147388a0ba06f8bdb36ab/FLAG1b680d7b4 [2024-11-13 21:50:02,573 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/bin/ukojak-verify-EEHR8qb7sm/data/f4c497c75/060936ced89147388a0ba06f8bdb36ab [2024-11-13 21:50:02,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:50:02,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:50:02,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:50:02,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:50:02,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:50:02,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1e6c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:02, skipping insertion in model container [2024-11-13 21:50:02,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:50:02" (1/1) ... [2024-11-13 21:50:02,636 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:50:02,841 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_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/sv-benchmarks/c/eca-rers2012/Problem10_label43.c[4120,4133] [2024-11-13 21:50:02,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:50:02,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:50:03,023 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_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/sv-benchmarks/c/eca-rers2012/Problem10_label43.c[4120,4133] [2024-11-13 21:50:03,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:50:03,152 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:50:03,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:03 WrapperNode [2024-11-13 21:50:03,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:50:03,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:50:03,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:50:03,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:50:03,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:03" (1/1) ... [2024-11-13 21:50:03,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:03" (1/1) ... [2024-11-13 21:50:03,262 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-13 21:50:03,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:50:03,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:50:03,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:50:03,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:50:03,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:03" (1/1) ... [2024-11-13 21:50:03,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:03" (1/1) ... [2024-11-13 21:50:03,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:03" (1/1) ... [2024-11-13 21:50:03,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:03" (1/1) ... [2024-11-13 21:50:03,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:03" (1/1) ... [2024-11-13 21:50:03,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:03" (1/1) ... [2024-11-13 21:50:03,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:03" (1/1) ... [2024-11-13 21:50:03,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:03" (1/1) ... [2024-11-13 21:50:03,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:50:03,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:50:03,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:50:03,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:50:03,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:03" (1/1) ... [2024-11-13 21:50:03,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:50:03,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:50:03,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:50:03,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:50:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:50:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:50:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:50:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:50:03,538 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:50:03,541 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:50:04,965 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 21:50:04,965 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:50:08,212 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:50:08,212 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:50:08,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:08 BoogieIcfgContainer [2024-11-13 21:50:08,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:50:08,213 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:50:08,214 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:50:08,224 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:50:08,225 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:08" (1/1) ... [2024-11-13 21:50:08,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:50:08,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:08,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 21:50:08,299 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 21:50:08,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:50:08,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:08,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:08,542 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 21:50:08,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:08,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 21:50:08,664 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 21:50:08,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:50:08,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:08,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:22,646 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 21:50:23,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-13 21:50:23,268 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-13 21:50:23,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:50:23,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:23,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:34,429 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:50:35,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:35,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2024-11-13 21:50:35,327 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-11-13 21:50:35,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:50:35,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:35,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:55,444 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 21:50:56,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:56,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2024-11-13 21:50:56,742 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2024-11-13 21:50:56,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:50:56,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:56,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:55:01,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:01,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2024-11-13 21:55:01,663 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2024-11-13 21:55:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:55:01,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:01,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:12,162 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 21:55:12,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:12,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2024-11-13 21:55:12,842 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2024-11-13 21:55:12,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:55:12,842 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 21:55:12,850 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:55:13,402 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a10~0 1)) (not (= ~a19~0 8)) (< 0 (+ ~a1~0 13))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 21:55:13,402 INFO L77 FloydHoareUtils]: At program point L115-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (or (= ~a19~0 9) (= ~a10~0 1)))) (or (and .cse0 .cse1 (<= 23 ~a1~0)) (let ((.cse3 (= ~a19~0 8))) (let ((.cse4 (not .cse3))) (and (not (and .cse2 .cse3)) (or (not (= ~a10~0 4)) .cse4) .cse0 .cse1 (or (<= 0 (+ ~a1~0 12)) .cse4 (not (= ~a10~0 0)))))) (and .cse0 .cse1 .cse2 (< 0 (+ ~a1~0 13))))) [2024-11-13 21:55:13,403 INFO L77 FloydHoareUtils]: At program point L118-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a10~0 1)) (not (= ~a19~0 8)) (< 0 (+ ~a1~0 13))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 21:55:13,403 INFO L75 FloydHoareUtils]: For program point L119(line 119) no Hoare annotation was computed. [2024-11-13 21:55:13,403 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-13 21:55:13,403 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:55:13,403 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:55:13,403 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a10~0 1)) (not (= ~a19~0 8)) (< 0 (+ ~a1~0 13))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 21:55:13,403 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 119) no Hoare annotation was computed. [2024-11-13 21:55:13,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:55:13 ImpRootNode [2024-11-13 21:55:13,418 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:55:13,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:55:13,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:55:13,420 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:55:13,421 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:08" (3/4) ... [2024-11-13 21:55:13,423 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:55:13,437 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-13 21:55:13,438 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 21:55:13,440 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:55:13,441 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:55:13,581 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:55:13,581 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:55:13,581 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:55:13,582 INFO L158 Benchmark]: Toolchain (without parser) took 311006.11ms. Allocated memory was 117.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 92.4MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 955.3MB. Max. memory is 16.1GB. [2024-11-13 21:55:13,583 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:13,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.45ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 65.0MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:55:13,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.82ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 57.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:55:13,584 INFO L158 Benchmark]: Boogie Preprocessor took 111.10ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 52.8MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:55:13,585 INFO L158 Benchmark]: RCFGBuilder took 4837.03ms. Allocated memory was 117.4MB in the beginning and 486.5MB in the end (delta: 369.1MB). Free memory was 52.8MB in the beginning and 357.3MB in the end (delta: -304.5MB). Peak memory consumption was 195.5MB. Max. memory is 16.1GB. [2024-11-13 21:55:13,585 INFO L158 Benchmark]: CodeCheck took 305204.70ms. Allocated memory was 486.5MB in the beginning and 2.1GB in the end (delta: 1.6GB). Free memory was 357.3MB in the beginning and 1.1GB in the end (delta: -759.2MB). Peak memory consumption was 845.5MB. Max. memory is 16.1GB. [2024-11-13 21:55:13,586 INFO L158 Benchmark]: Witness Printer took 162.03ms. Allocated memory is still 2.1GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:55:13,588 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: 304.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 172 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 87 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 453 IncrementalHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 87 mSolverCounterUnsat, 86 mSDtfsCounter, 453 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 701 GetRequests, 592 SyntacticMatches, 29 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3335 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 299.4s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 20/65 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: 119]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((a10 != 1) || (a19 != 8)) || (0 < ((long long) a1 + 13))) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a10 != 1) || (a19 != 8)) || (0 < ((long long) a1 + 13))) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.45ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 65.0MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.82ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 57.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.10ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 52.8MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4837.03ms. Allocated memory was 117.4MB in the beginning and 486.5MB in the end (delta: 369.1MB). Free memory was 52.8MB in the beginning and 357.3MB in the end (delta: -304.5MB). Peak memory consumption was 195.5MB. Max. memory is 16.1GB. * CodeCheck took 305204.70ms. Allocated memory was 486.5MB in the beginning and 2.1GB in the end (delta: 1.6GB). Free memory was 357.3MB in the beginning and 1.1GB in the end (delta: -759.2MB). Peak memory consumption was 845.5MB. Max. memory is 16.1GB. * Witness Printer took 162.03ms. Allocated memory is still 2.1GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:55:13,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb93c270-8c97-4ea4-a05b-5bc3dbbe554a/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