./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.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_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/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_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/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_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/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 50f60fa428d099767eedeaaecff58f84e68d960030ff43c7eae2dbdfbde6f992 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:39:23,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:39:23,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:39:23,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:39:23,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:39:23,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:39:23,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:39:23,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:39:23,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:39:23,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:39:23,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:39:23,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:39:23,417 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:39:23,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:39:23,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:39:23,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:39:23,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:39:23,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:39:23,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:39:23,419 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:39:23,419 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:39:23,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:39:23,419 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:39:23,419 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:39:23,420 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:39:23,420 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:39:23,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:39:23,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:39:23,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:39:23,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:39:23,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:39:23,420 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:39:23,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:39:23,421 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_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/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 -> 50f60fa428d099767eedeaaecff58f84e68d960030ff43c7eae2dbdfbde6f992 [2024-11-13 16:39:23,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:39:23,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:39:23,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:39:23,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:39:23,765 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:39:23,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c Unable to find full path for "g++" [2024-11-13 16:39:25,968 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:39:26,260 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:39:26,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c [2024-11-13 16:39:26,272 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/bin/ukojak-verify-EEHR8qb7sm/data/ea9980f8c/44bf5cdbc0ee4419839cf6a5830107c2/FLAG4a3e72ee8 [2024-11-13 16:39:26,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/bin/ukojak-verify-EEHR8qb7sm/data/ea9980f8c/44bf5cdbc0ee4419839cf6a5830107c2 [2024-11-13 16:39:26,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:39:26,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:39:26,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:39:26,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:39:26,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:39:26,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:39:26" (1/1) ... [2024-11-13 16:39:26,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebd5d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:26, skipping insertion in model container [2024-11-13 16:39:26,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:39:26" (1/1) ... [2024-11-13 16:39:26,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:39:26,591 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_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c[947,960] [2024-11-13 16:39:26,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:39:26,607 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:39:26,626 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_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c[947,960] [2024-11-13 16:39:26,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:39:26,643 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:39:26,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:26 WrapperNode [2024-11-13 16:39:26,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:39:26,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:39:26,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:39:26,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:39:26,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:26" (1/1) ... [2024-11-13 16:39:26,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:26" (1/1) ... [2024-11-13 16:39:26,679 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-13 16:39:26,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:39:26,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:39:26,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:39:26,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:39:26,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:26" (1/1) ... [2024-11-13 16:39:26,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:26" (1/1) ... [2024-11-13 16:39:26,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:26" (1/1) ... [2024-11-13 16:39:26,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:26" (1/1) ... [2024-11-13 16:39:26,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:26" (1/1) ... [2024-11-13 16:39:26,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:26" (1/1) ... [2024-11-13 16:39:26,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:26" (1/1) ... [2024-11-13 16:39:26,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:26" (1/1) ... [2024-11-13 16:39:26,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:39:26,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:39:26,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:39:26,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:39:26,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:39:26" (1/1) ... [2024-11-13 16:39:26,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:39:26,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:39:26,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:39:26,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:39:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:39:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:39:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2024-11-13 16:39:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2024-11-13 16:39:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2024-11-13 16:39:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2024-11-13 16:39:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:39:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:39:26,893 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:39:26,895 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:39:27,082 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 16:39:27,082 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:39:27,108 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:39:27,108 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:39:27,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:27 BoogieIcfgContainer [2024-11-13 16:39:27,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:39:27,110 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:39:27,110 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:39:27,123 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:39:27,123 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:27" (1/1) ... [2024-11-13 16:39:27,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:39:27,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:27,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-11-13 16:39:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-11-13 16:39:27,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:39:27,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:27,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:27,486 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 16:39:27,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:27,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 37 transitions. [2024-11-13 16:39:27,639 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-11-13 16:39:27,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:39:27,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:27,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:27,806 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 16:39:27,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:27,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 41 transitions. [2024-11-13 16:39:27,992 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2024-11-13 16:39:27,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:39:27,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:27,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:39:28,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:28,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 45 transitions. [2024-11-13 16:39:28,703 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-13 16:39:28,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:39:28,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:28,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:39:29,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:29,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 59 transitions. [2024-11-13 16:39:29,448 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2024-11-13 16:39:29,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 16:39:29,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:29,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:39:30,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:30,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 58 transitions. [2024-11-13 16:39:30,011 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2024-11-13 16:39:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 16:39:30,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:30,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 16:39:31,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:31,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 39 states and 55 transitions. [2024-11-13 16:39:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2024-11-13 16:39:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 16:39:31,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:31,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:39:32,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:32,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 49 states and 74 transitions. [2024-11-13 16:39:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2024-11-13 16:39:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:39:32,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:32,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 16:39:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:33,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 49 states and 73 transitions. [2024-11-13 16:39:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2024-11-13 16:39:33,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 16:39:33,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:33,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 16:39:35,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:35,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 52 states and 79 transitions. [2024-11-13 16:39:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2024-11-13 16:39:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 16:39:35,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:35,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 9 proven. 62 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-13 16:39:37,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:37,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 62 states and 100 transitions. [2024-11-13 16:39:37,033 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2024-11-13 16:39:37,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-13 16:39:37,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:37,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:37,545 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 36 proven. 151 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-13 16:39:38,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:38,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 72 states and 124 transitions. [2024-11-13 16:39:38,827 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 124 transitions. [2024-11-13 16:39:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-13 16:39:38,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:38,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:39,451 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 51 proven. 218 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-11-13 16:39:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:40,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 82 states and 151 transitions. [2024-11-13 16:39:40,872 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 151 transitions. [2024-11-13 16:39:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2024-11-13 16:39:40,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:40,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:42,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5016 backedges. 576 proven. 701 refuted. 0 times theorem prover too weak. 3739 trivial. 0 not checked. [2024-11-13 16:39:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:43,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 82 states and 148 transitions. [2024-11-13 16:39:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 148 transitions. [2024-11-13 16:39:43,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2024-11-13 16:39:43,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:43,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 8584 backedges. 185 proven. 1197 refuted. 0 times theorem prover too weak. 7202 trivial. 0 not checked. [2024-11-13 16:39:46,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:46,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 92 states and 175 transitions. [2024-11-13 16:39:46,333 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 175 transitions. [2024-11-13 16:39:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2024-11-13 16:39:46,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:46,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:47,123 INFO L134 CoverageAnalysis]: Checked inductivity of 5771 backedges. 314 proven. 657 refuted. 0 times theorem prover too weak. 4800 trivial. 0 not checked. [2024-11-13 16:39:47,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:47,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 92 states and 173 transitions. [2024-11-13 16:39:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 173 transitions. [2024-11-13 16:39:47,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2024-11-13 16:39:47,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:47,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:49,335 INFO L134 CoverageAnalysis]: Checked inductivity of 14593 backedges. 588 proven. 1092 refuted. 0 times theorem prover too weak. 12913 trivial. 0 not checked. [2024-11-13 16:39:51,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:51,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 97 states and 149 transitions. [2024-11-13 16:39:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 149 transitions. [2024-11-13 16:39:51,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-11-13 16:39:51,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:51,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:52,996 INFO L134 CoverageAnalysis]: Checked inductivity of 7290 backedges. 295 proven. 1039 refuted. 0 times theorem prover too weak. 5956 trivial. 0 not checked. [2024-11-13 16:39:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:53,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 99 states and 145 transitions. [2024-11-13 16:39:53,865 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 145 transitions. [2024-11-13 16:39:53,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2024-11-13 16:39:53,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:53,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 14593 backedges. 573 proven. 839 refuted. 0 times theorem prover too weak. 13181 trivial. 0 not checked. [2024-11-13 16:39:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 99 states and 140 transitions. [2024-11-13 16:39:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 140 transitions. [2024-11-13 16:39:55,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2024-11-13 16:39:55,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:55,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:57,058 INFO L134 CoverageAnalysis]: Checked inductivity of 8497 backedges. 810 proven. 448 refuted. 0 times theorem prover too weak. 7239 trivial. 0 not checked. [2024-11-13 16:39:57,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:57,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 99 states and 138 transitions. [2024-11-13 16:39:57,597 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2024-11-13 16:39:57,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2024-11-13 16:39:57,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:57,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:57,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4370 backedges. 547 proven. 151 refuted. 0 times theorem prover too weak. 3672 trivial. 0 not checked. [2024-11-13 16:39:58,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:58,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 99 states and 137 transitions. [2024-11-13 16:39:58,364 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 137 transitions. [2024-11-13 16:39:58,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2024-11-13 16:39:58,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:58,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:59,262 INFO L134 CoverageAnalysis]: Checked inductivity of 6469 backedges. 385 proven. 699 refuted. 0 times theorem prover too weak. 5385 trivial. 0 not checked. [2024-11-13 16:39:59,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:59,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 99 states and 133 transitions. [2024-11-13 16:39:59,796 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2024-11-13 16:39:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2024-11-13 16:39:59,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:59,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:00,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5352 backedges. 393 proven. 387 refuted. 0 times theorem prover too weak. 4572 trivial. 0 not checked. [2024-11-13 16:40:00,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:00,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 99 states and 132 transitions. [2024-11-13 16:40:00,753 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 132 transitions. [2024-11-13 16:40:00,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2024-11-13 16:40:00,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:00,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:11,346 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 0 proven. 2033 refuted. 0 times theorem prover too weak. 4049 trivial. 0 not checked. [2024-11-13 16:40:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:43,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 137 states and 204 transitions. [2024-11-13 16:40:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 204 transitions. [2024-11-13 16:40:43,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2024-11-13 16:40:43,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:43,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:44,037 INFO L134 CoverageAnalysis]: Checked inductivity of 7643 backedges. 388 proven. 801 refuted. 0 times theorem prover too weak. 6454 trivial. 0 not checked. [2024-11-13 16:40:44,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 137 states and 204 transitions. [2024-11-13 16:40:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 204 transitions. [2024-11-13 16:40:44,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2024-11-13 16:40:44,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:44,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:45,373 INFO L134 CoverageAnalysis]: Checked inductivity of 7643 backedges. 327 proven. 864 refuted. 0 times theorem prover too weak. 6452 trivial. 0 not checked. [2024-11-13 16:40:46,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 97 states and 123 transitions. [2024-11-13 16:40:46,134 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 123 transitions. [2024-11-13 16:40:46,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:40:46,136 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2024-11-13 16:40:46,151 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 16:40:46,642 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 16:40:46,643 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 41) the Hoare annotation is: true [2024-11-13 16:40:46,643 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 16:40:46,643 INFO L77 FloydHoareUtils]: At program point L41(line 41) the Hoare annotation is: true [2024-11-13 16:40:46,643 INFO L77 FloydHoareUtils]: At program point L40(lines 40 42) the Hoare annotation is: true [2024-11-13 16:40:46,644 INFO L77 FloydHoareUtils]: At program point L39(line 39) the Hoare annotation is: (and (<= 8 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 8)) [2024-11-13 16:40:46,644 INFO L77 FloydHoareUtils]: At program point L39-1(line 39) the Hoare annotation is: true [2024-11-13 16:40:46,644 INFO L77 FloydHoareUtils]: At program point L40-2(lines 40 42) the Hoare annotation is: true [2024-11-13 16:40:46,644 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (and (<= 2 fibo2_~n) (<= |fibo2_#in~n| fibo2_~n) (<= fibo2_~n |fibo2_#in~n|)) [2024-11-13 16:40:46,644 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: true [2024-11-13 16:40:46,644 INFO L77 FloydHoareUtils]: At program point L25-2(line 25) the Hoare annotation is: true [2024-11-13 16:40:46,644 INFO L77 FloydHoareUtils]: At program point L22(lines 22 26) the Hoare annotation is: (and (<= |fibo2_#in~n| fibo2_~n) (<= 1 fibo2_~n) (<= fibo2_~n |fibo2_#in~n|)) [2024-11-13 16:40:46,644 INFO L77 FloydHoareUtils]: At program point L25-3(line 25) the Hoare annotation is: true [2024-11-13 16:40:46,645 INFO L77 FloydHoareUtils]: At program point L20(lines 20 26) the Hoare annotation is: (and (<= |fibo2_#in~n| fibo2_~n) (<= fibo2_~n |fibo2_#in~n|)) [2024-11-13 16:40:46,645 INFO L77 FloydHoareUtils]: At program point fibo2FINAL(lines 19 27) the Hoare annotation is: true [2024-11-13 16:40:46,645 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 19 27) the Hoare annotation is: true [2024-11-13 16:40:46,645 INFO L77 FloydHoareUtils]: At program point fibo2EXIT(lines 19 27) the Hoare annotation is: true [2024-11-13 16:40:46,645 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (and (<= fibo1_~n |fibo1_#in~n|) (<= 2 fibo1_~n) (<= |fibo1_#in~n| fibo1_~n)) [2024-11-13 16:40:46,645 INFO L77 FloydHoareUtils]: At program point L15-1(line 15) the Hoare annotation is: true [2024-11-13 16:40:46,645 INFO L77 FloydHoareUtils]: At program point L15-2(line 15) the Hoare annotation is: true [2024-11-13 16:40:46,645 INFO L77 FloydHoareUtils]: At program point L12(lines 12 16) the Hoare annotation is: (and (<= fibo1_~n |fibo1_#in~n|) (<= |fibo1_#in~n| fibo1_~n) (< 0 fibo1_~n)) [2024-11-13 16:40:46,645 INFO L77 FloydHoareUtils]: At program point L15-3(line 15) the Hoare annotation is: true [2024-11-13 16:40:46,645 INFO L77 FloydHoareUtils]: At program point fibo1FINAL(lines 9 17) the Hoare annotation is: true [2024-11-13 16:40:46,645 INFO L77 FloydHoareUtils]: At program point L10(lines 10 16) the Hoare annotation is: (and (<= fibo1_~n |fibo1_#in~n|) (<= |fibo1_#in~n| fibo1_~n)) [2024-11-13 16:40:46,645 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 17) the Hoare annotation is: true [2024-11-13 16:40:46,645 INFO L77 FloydHoareUtils]: At program point fibo1EXIT(lines 9 17) the Hoare annotation is: true [2024-11-13 16:40:46,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:40:46 ImpRootNode [2024-11-13 16:40:46,663 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:40:46,664 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:40:46,664 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:40:46,665 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:40:46,665 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:39:27" (3/4) ... [2024-11-13 16:40:46,668 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:40:46,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo2 [2024-11-13 16:40:46,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo1 [2024-11-13 16:40:46,678 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 16:40:46,679 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 16:40:46,680 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:40:46,680 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:40:46,767 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:40:46,768 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 16:40:46,768 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:40:46,769 INFO L158 Benchmark]: Toolchain (without parser) took 80459.54ms. Allocated memory was 117.4MB in the beginning and 847.2MB in the end (delta: 729.8MB). Free memory was 93.2MB in the beginning and 480.3MB in the end (delta: -387.1MB). Peak memory consumption was 337.8MB. Max. memory is 16.1GB. [2024-11-13 16:40:46,769 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:46,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.91ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.2MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:40:46,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.66ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:46,770 INFO L158 Benchmark]: Boogie Preprocessor took 19.02ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.5MB in the end (delta: 554.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:46,771 INFO L158 Benchmark]: RCFGBuilder took 409.61ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 70.1MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:40:46,771 INFO L158 Benchmark]: CodeCheck took 79553.67ms. Allocated memory was 117.4MB in the beginning and 847.2MB in the end (delta: 729.8MB). Free memory was 70.1MB in the beginning and 484.2MB in the end (delta: -414.1MB). Peak memory consumption was 321.0MB. Max. memory is 16.1GB. [2024-11-13 16:40:46,772 INFO L158 Benchmark]: Witness Printer took 103.57ms. Allocated memory is still 847.2MB. Free memory was 484.2MB in the beginning and 480.3MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:46,774 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 3 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 79.0s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4202 SdHoareTripleChecker+Valid, 39.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2482 mSDsluCounter, 5382 SdHoareTripleChecker+Invalid, 32.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3771 mSDsCounter, 5277 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18296 IncrementalHoareTripleChecker+Invalid, 23573 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5277 mSolverCounterUnsat, 1611 mSDtfsCounter, 18296 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29979 GetRequests, 28796 SyntacticMatches, 705 SemanticMatches, 478 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107080 ImplicationChecksByTransitivity, 54.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 25.6s InterpolantComputationTime, 7277 NumberOfCodeBlocks, 7277 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 7252 ConstructedInterpolants, 0 QuantifiedInterpolants, 9702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 2 PerfectInterpolantSequences, 91906/103294 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: 41]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.91ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.2MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.66ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.02ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.5MB in the end (delta: 554.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 409.61ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 70.1MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 79553.67ms. Allocated memory was 117.4MB in the beginning and 847.2MB in the end (delta: 729.8MB). Free memory was 70.1MB in the beginning and 484.2MB in the end (delta: -414.1MB). Peak memory consumption was 321.0MB. Max. memory is 16.1GB. * Witness Printer took 103.57ms. Allocated memory is still 847.2MB. Free memory was 484.2MB in the beginning and 480.3MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 16:40:46,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba440a5-85ab-4aac-b5eb-9db4401cfa3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE