./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label35.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_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/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_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/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_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/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 00a3c697369565c764a629399f75f0a57cc9f6d9ed54e92f480d6927d7ff14f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:23:22,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:23:22,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:23:22,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:23:22,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:23:22,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:23:22,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:23:22,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:23:22,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:23:22,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:23:22,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:23:22,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:23:22,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:23:22,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:23:22,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:23:22,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:23:22,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:23:22,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:23:22,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:23:22,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:23:22,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:23:22,387 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:23:22,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:23:22,387 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:23:22,387 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:23:22,387 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:23:22,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:23:22,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:23:22,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:23:22,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:23:22,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:23:22,388 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:23:22,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:23:22,388 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_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/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 -> 00a3c697369565c764a629399f75f0a57cc9f6d9ed54e92f480d6927d7ff14f0 [2024-12-05 23:23:22,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:23:22,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:23:22,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:23:22,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:23:22,599 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:23:22,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem16_label35.c [2024-12-05 23:23:25,252 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/bin/ukojak-verify-CZk0znPC7b/data/72d68ba0a/958aa0a614d142c68605d5627618e1dc/FLAGddfe56bd2 [2024-12-05 23:23:25,565 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:23:25,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/sv-benchmarks/c/eca-rers2012/Problem16_label35.c [2024-12-05 23:23:25,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/bin/ukojak-verify-CZk0znPC7b/data/72d68ba0a/958aa0a614d142c68605d5627618e1dc/FLAGddfe56bd2 [2024-12-05 23:23:25,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/bin/ukojak-verify-CZk0znPC7b/data/72d68ba0a/958aa0a614d142c68605d5627618e1dc [2024-12-05 23:23:25,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:23:25,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:23:25,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:23:25,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:23:25,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:23:25,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:23:25" (1/1) ... [2024-12-05 23:23:25,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b72ad92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:25, skipping insertion in model container [2024-12-05 23:23:25,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:23:25" (1/1) ... [2024-12-05 23:23:25,650 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:23:25,814 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_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/sv-benchmarks/c/eca-rers2012/Problem16_label35.c[4426,4439] [2024-12-05 23:23:26,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:23:26,091 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:23:26,109 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_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/sv-benchmarks/c/eca-rers2012/Problem16_label35.c[4426,4439] [2024-12-05 23:23:26,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:23:26,288 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:23:26,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:26 WrapperNode [2024-12-05 23:23:26,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:23:26,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:23:26,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:23:26,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:23:26,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:26" (1/1) ... [2024-12-05 23:23:26,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:26" (1/1) ... [2024-12-05 23:23:26,415 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1769 [2024-12-05 23:23:26,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:23:26,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:23:26,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:23:26,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:23:26,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:26" (1/1) ... [2024-12-05 23:23:26,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:26" (1/1) ... [2024-12-05 23:23:26,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:26" (1/1) ... [2024-12-05 23:23:26,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:26" (1/1) ... [2024-12-05 23:23:26,482 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:26" (1/1) ... [2024-12-05 23:23:26,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:26" (1/1) ... [2024-12-05 23:23:26,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:26" (1/1) ... [2024-12-05 23:23:26,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:26" (1/1) ... [2024-12-05 23:23:26,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:26" (1/1) ... [2024-12-05 23:23:26,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:23:26,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:23:26,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:23:26,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:23:26,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:26" (1/1) ... [2024-12-05 23:23:26,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:23:26,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:23:26,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:23:26,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:23:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:23:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:23:26,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:23:26,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:23:26,659 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:23:26,661 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:23:28,758 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live. [2024-12-05 23:23:28,759 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:23:39,758 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:23:39,758 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:23:39,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:23:39 BoogieIcfgContainer [2024-12-05 23:23:39,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:23:39,759 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:23:39,759 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:23:39,768 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:23:39,768 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:23:39" (1/1) ... [2024-12-05 23:23:39,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:23:39,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:23:39,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 23:23:39,822 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 23:23:39,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:23:39,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:23:39,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:23:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:40,054 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 23:23:40,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:23:40,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-05 23:23:40,241 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-05 23:23:40,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:23:40,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:23:40,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:23:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:25:33,954 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 23:25:35,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:25:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2024-12-05 23:25:35,661 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2024-12-05 23:25:35,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:25:35,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:25:35,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:25:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:29:54,591 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:29:55,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:29:55,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2024-12-05 23:29:55,803 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2024-12-05 23:29:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:29:55,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:29:55,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:29:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:37,321 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 23:32:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:32:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2024-12-05 23:32:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2024-12-05 23:32:37,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:32:37,687 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-12-05 23:32:37,696 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 23:32:37,954 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:32:37,954 INFO L77 FloydHoareUtils]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2024-12-05 23:32:37,954 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2024-12-05 23:32:37,955 INFO L77 FloydHoareUtils]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (or (not (= ~a15~0 3)) (not (= ~a12~0 9)) (< 0 (+ ~a18~0 156)) (not (= ~a16~0 9))) [2024-12-05 23:32:37,955 INFO L77 FloydHoareUtils]: At program point L136-1(lines 33 1502) the Hoare annotation is: (or (not (= ~a15~0 3)) (not (= ~a12~0 9)) (< 0 (+ ~a18~0 156)) (not (= ~a16~0 9))) [2024-12-05 23:32:37,955 INFO L77 FloydHoareUtils]: At program point L1788(line 1788) the Hoare annotation is: (or (not (= ~a15~0 3)) (not (= ~a12~0 9)) (< 0 (+ ~a18~0 156)) (not (= ~a16~0 9))) [2024-12-05 23:32:37,955 INFO L77 FloydHoareUtils]: At program point L139-1(lines 33 1502) the Hoare annotation is: (or (not (= ~a15~0 3)) (not (= ~a12~0 9)) (< 0 (+ ~a18~0 156)) (not (= ~a16~0 9))) [2024-12-05 23:32:37,955 INFO L75 FloydHoareUtils]: For program point L140(line 140) no Hoare annotation was computed. [2024-12-05 23:32:37,955 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:32:37,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:32:37 ImpRootNode [2024-12-05 23:32:37,967 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:32:37,968 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:32:37,968 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:32:37,968 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:32:37,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:23:39" (3/4) ... [2024-12-05 23:32:37,971 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:32:37,998 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 385 nodes and edges [2024-12-05 23:32:38,000 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-05 23:32:38,003 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 23:32:38,006 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 23:32:38,191 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:32:38,192 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:32:38,192 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:32:38,193 INFO L158 Benchmark]: Toolchain (without parser) took 552595.16ms. Allocated memory was 142.6MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 114.6MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 455.9MB. Max. memory is 16.1GB. [2024-12-05 23:32:38,193 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:32:38,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.19ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 105.7MB in the end (delta: 8.7MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-12-05 23:32:38,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.15ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 82.5MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:32:38,194 INFO L158 Benchmark]: Boogie Preprocessor took 128.69ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 69.2MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:32:38,194 INFO L158 Benchmark]: RCFGBuilder took 13213.67ms. Allocated memory was 142.6MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 69.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-05 23:32:38,195 INFO L158 Benchmark]: CodeCheck took 538208.11ms. Allocated memory was 2.5GB in the beginning and 5.0GB in the end (delta: 2.5GB). Free memory was 1.3GB in the beginning and 4.5GB in the end (delta: -3.2GB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:32:38,195 INFO L158 Benchmark]: Witness Printer took 223.61ms. Allocated memory is still 5.0GB. Free memory was 4.5GB in the beginning and 4.5GB in the end (delta: 24.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:32:38,196 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: 537.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 252 IncrementalHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 46 mSDtfsCounter, 252 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 405 GetRequests, 356 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 533.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 333 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 21/34 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: 140]: 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: 1783]: Loop Invariant Derived loop invariant: ((((a15 != 3) || (a12 != 9)) || (0 < ((long long) a18 + 156))) || (a16 != 9)) - InvariantResult [Line: 33]: Location Invariant Derived location invariant: ((((a15 != 3) || (a12 != 9)) || (0 < ((long long) a18 + 156))) || (a16 != 9)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 690.19ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 105.7MB in the end (delta: 8.7MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.15ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 82.5MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.69ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 69.2MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 13213.67ms. Allocated memory was 142.6MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 69.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * CodeCheck took 538208.11ms. Allocated memory was 2.5GB in the beginning and 5.0GB in the end (delta: 2.5GB). Free memory was 1.3GB in the beginning and 4.5GB in the end (delta: -3.2GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 223.61ms. Allocated memory is still 5.0GB. Free memory was 4.5GB in the beginning and 4.5GB in the end (delta: 24.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 23:32:38,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b502018f-c20b-46f1-8aaa-3a12d6cd6f83/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