./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label25.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b --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 699ecca4c05e82af9ddaf76f64fe18abd85263cf30f7f15e631a0ddff4b0faf4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:54:41,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:54:41,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:54:41,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:54:41,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:54:41,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:54:41,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:54:41,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:54:41,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:54:41,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:54:41,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:54:41,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:54:41,431 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:54:41,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:54:41,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:54:41,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:54:41,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:54:41,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:54:41,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:54:41,431 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:54:41,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:54:41,431 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:54:41,431 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:54:41,431 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:54:41,432 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:54:41,432 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:54:41,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:54:41,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:54:41,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:54:41,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:54:41,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:54:41,432 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:54:41,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:54:41,432 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_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b 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 -> 699ecca4c05e82af9ddaf76f64fe18abd85263cf30f7f15e631a0ddff4b0faf4 [2024-12-05 21:54:41,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:54:41,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:54:41,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:54:41,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:54:41,696 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:54:41,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem10_label25.c [2024-12-05 21:54:44,309 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/data/3e2ea4b87/e844b6ac3f2a4e0eaa074423a20df0e2/FLAG2b3f649ad [2024-12-05 21:54:44,543 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:54:44,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/sv-benchmarks/c/eca-rers2012/Problem10_label25.c [2024-12-05 21:54:44,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/data/3e2ea4b87/e844b6ac3f2a4e0eaa074423a20df0e2/FLAG2b3f649ad [2024-12-05 21:54:44,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/data/3e2ea4b87/e844b6ac3f2a4e0eaa074423a20df0e2 [2024-12-05 21:54:44,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:54:44,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:54:44,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:54:44,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:54:44,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:54:44,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:54:44" (1/1) ... [2024-12-05 21:54:44,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e25d004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:44, skipping insertion in model container [2024-12-05 21:54:44,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:54:44" (1/1) ... [2024-12-05 21:54:44,923 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:54:45,074 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_56c20e0c-eb83-4292-9e12-f5290cc28668/sv-benchmarks/c/eca-rers2012/Problem10_label25.c[7284,7297] [2024-12-05 21:54:45,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:54:45,166 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:54:45,191 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_56c20e0c-eb83-4292-9e12-f5290cc28668/sv-benchmarks/c/eca-rers2012/Problem10_label25.c[7284,7297] [2024-12-05 21:54:45,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:54:45,248 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:54:45,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:45 WrapperNode [2024-12-05 21:54:45,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:54:45,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:54:45,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:54:45,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:54:45,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:45" (1/1) ... [2024-12-05 21:54:45,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:45" (1/1) ... [2024-12-05 21:54:45,313 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-12-05 21:54:45,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:54:45,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:54:45,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:54:45,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:54:45,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:45" (1/1) ... [2024-12-05 21:54:45,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:45" (1/1) ... [2024-12-05 21:54:45,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:45" (1/1) ... [2024-12-05 21:54:45,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:45" (1/1) ... [2024-12-05 21:54:45,346 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:45" (1/1) ... [2024-12-05 21:54:45,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:45" (1/1) ... [2024-12-05 21:54:45,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:45" (1/1) ... [2024-12-05 21:54:45,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:45" (1/1) ... [2024-12-05 21:54:45,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:45" (1/1) ... [2024-12-05 21:54:45,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:54:45,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:54:45,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:54:45,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:54:45,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:45" (1/1) ... [2024-12-05 21:54:45,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:54:45,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:54:45,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:54:45,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:54:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:54:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:54:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:54:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:54:45,473 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:54:45,475 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:54:46,383 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-05 21:54:46,383 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:54:48,386 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:54:48,386 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 21:54:48,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:54:48 BoogieIcfgContainer [2024-12-05 21:54:48,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:54:48,387 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:54:48,387 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:54:48,394 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:54:48,394 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:54:48" (1/1) ... [2024-12-05 21:54:48,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:54:48,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:54:48,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 21:54:48,446 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 21:54:48,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:54:48,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:54:48,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:54:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:54:48,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:54:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:54:48,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-05 21:54:48,725 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-05 21:54:48,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:54:48,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:54:48,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:54:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:54:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:54:57,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:54:57,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-12-05 21:54:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-12-05 21:54:57,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:54:57,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:54:57,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:54:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:55:07,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:07,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2024-12-05 21:55:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2024-12-05 21:55:07,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:55:07,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:07,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:13,903 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:55:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2024-12-05 21:55:14,457 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-12-05 21:55:14,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 21:55:14,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:14,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:24,062 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 21:55:25,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2024-12-05 21:55:25,029 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2024-12-05 21:55:25,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 21:55:25,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:25,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 21:55:35,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:35,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2024-12-05 21:55:35,285 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2024-12-05 21:55:35,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:55:35,286 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-05 21:55:35,291 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 21:55:35,515 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (not (= ~a10~0 1)) (< 220 ~a1~0) (< ~a1~0 37)) .cse0 .cse1) (and .cse0 (or (< 7 ~a19~0) (< ~a19~0 7)) .cse1))) [2024-12-05 21:55:35,516 INFO L77 FloydHoareUtils]: At program point L202-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 1)) (not (= 7 ~a19~0)))) [2024-12-05 21:55:35,516 INFO L77 FloydHoareUtils]: At program point L205-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 1)) (not (= 7 ~a19~0)))) [2024-12-05 21:55:35,516 INFO L75 FloydHoareUtils]: For program point L206(line 206) no Hoare annotation was computed. [2024-12-05 21:55:35,516 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-12-05 21:55:35,516 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:55:35,516 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:55:35,516 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (not (= ~a10~0 1)) (< 220 ~a1~0) (< ~a1~0 37)) .cse0 .cse1) (and .cse0 (or (< 7 ~a19~0) (< ~a19~0 7)) .cse1))) [2024-12-05 21:55:35,516 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2024-12-05 21:55:35,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:55:35 ImpRootNode [2024-12-05 21:55:35,527 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:55:35,527 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:55:35,527 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:55:35,527 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:55:35,528 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:54:48" (3/4) ... [2024-12-05 21:55:35,530 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:55:35,542 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-12-05 21:55:35,543 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-05 21:55:35,544 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 21:55:35,545 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:55:35,634 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:55:35,634 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:55:35,634 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:55:35,635 INFO L158 Benchmark]: Toolchain (without parser) took 50745.77ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 116.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 487.5MB. Max. memory is 16.1GB. [2024-12-05 21:55:35,635 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:35,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.68ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 88.4MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 21:55:35,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.92ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 80.9MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:55:35,636 INFO L158 Benchmark]: Boogie Preprocessor took 61.36ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 76.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:55:35,637 INFO L158 Benchmark]: RCFGBuilder took 3010.94ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 76.1MB in the beginning and 136.2MB in the end (delta: -60.2MB). Peak memory consumption was 174.3MB. Max. memory is 16.1GB. [2024-12-05 21:55:35,637 INFO L158 Benchmark]: CodeCheck took 47139.24ms. Allocated memory was 327.2MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 136.2MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 304.8MB. Max. memory is 16.1GB. [2024-12-05 21:55:35,638 INFO L158 Benchmark]: Witness Printer took 107.39ms. Allocated memory is still 1.8GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:55:35,640 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: 46.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 226 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 182 mSDsluCounter, 216 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 494 IncrementalHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 88 mSDtfsCounter, 494 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 727 GetRequests, 609 SyntacticMatches, 30 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3380 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 42.9s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 32/65 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 206]: 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) || (220 < a1)) || (a1 < 37)) && (14 == a4)) && (a12 == 0)) || (((14 == a4) && ((7 < a19) || (a19 < 7))) && (a12 == 0))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (a12 == 0)) && ((a10 != 1) || (7 != a19))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.68ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 88.4MB in the end (delta: 27.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.92ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 80.9MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.36ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 76.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3010.94ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 76.1MB in the beginning and 136.2MB in the end (delta: -60.2MB). Peak memory consumption was 174.3MB. Max. memory is 16.1GB. * CodeCheck took 47139.24ms. Allocated memory was 327.2MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 136.2MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 304.8MB. Max. memory is 16.1GB. * Witness Printer took 107.39ms. Allocated memory is still 1.8GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:55:35,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c20e0c-eb83-4292-9e12-f5290cc28668/bin/ukojak-verify-CZk0znPC7b/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