./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Narrowing.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/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_243e3bb8-6bbf-44bf-9a57-48058af4af13/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Narrowing.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 65d96571ae692dc892a607d17412b050d92bd8365fc1d6c09a627f6750d6e1ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:38:26,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:38:26,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:38:26,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:38:26,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:38:26,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:38:26,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:38:26,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:38:26,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:38:26,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:38:26,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:38:26,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:38:26,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:38:26,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:38:26,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:38:26,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:38:26,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:38:26,467 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:38:26,468 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:38:26,468 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:38:26,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:38:26,468 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:38:26,468 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:38:26,469 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:38:26,469 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:38:26,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:38:26,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:38:26,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:38:26,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:38:26,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:38:26,470 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:38:26,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:38:26,470 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_243e3bb8-6bbf-44bf-9a57-48058af4af13/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d96571ae692dc892a607d17412b050d92bd8365fc1d6c09a627f6750d6e1ac [2024-11-13 22:38:26,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:38:26,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:38:26,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:38:26,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:38:26,808 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:38:26,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-restricted-15/Narrowing.c Unable to find full path for "g++" [2024-11-13 22:38:28,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:38:29,315 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:38:29,319 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/sv-benchmarks/c/termination-restricted-15/Narrowing.c [2024-11-13 22:38:29,331 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/bin/ukojak-verify-EEHR8qb7sm/data/2709a1ab4/e4e03175cd9c49bda89238fdbc8eb050/FLAGd30906b75 [2024-11-13 22:38:29,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/bin/ukojak-verify-EEHR8qb7sm/data/2709a1ab4/e4e03175cd9c49bda89238fdbc8eb050 [2024-11-13 22:38:29,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:38:29,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:38:29,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:38:29,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:38:29,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:38:29,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:38:29" (1/1) ... [2024-11-13 22:38:29,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f869c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:29, skipping insertion in model container [2024-11-13 22:38:29,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:38:29" (1/1) ... [2024-11-13 22:38:29,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:38:29,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:38:29,636 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:38:29,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:38:29,673 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:38:29,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:29 WrapperNode [2024-11-13 22:38:29,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:38:29,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:38:29,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:38:29,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:38:29,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:29" (1/1) ... [2024-11-13 22:38:29,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:29" (1/1) ... [2024-11-13 22:38:29,709 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-11-13 22:38:29,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:38:29,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:38:29,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:38:29,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:38:29,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:29" (1/1) ... [2024-11-13 22:38:29,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:29" (1/1) ... [2024-11-13 22:38:29,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:29" (1/1) ... [2024-11-13 22:38:29,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:29" (1/1) ... [2024-11-13 22:38:29,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:29" (1/1) ... [2024-11-13 22:38:29,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:29" (1/1) ... [2024-11-13 22:38:29,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:29" (1/1) ... [2024-11-13 22:38:29,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:29" (1/1) ... [2024-11-13 22:38:29,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:38:29,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:38:29,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:38:29,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:38:29,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:29" (1/1) ... [2024-11-13 22:38:29,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:38:29,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:38:29,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:38:29,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:38:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:38:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:38:29,935 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:38:29,938 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:38:30,105 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 22:38:30,105 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:38:30,160 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:38:30,160 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:38:30,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:38:30 BoogieIcfgContainer [2024-11-13 22:38:30,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:38:30,162 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:38:30,162 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:38:30,175 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:38:30,175 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:38:30" (1/1) ... [2024-11-13 22:38:30,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:38:30,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2024-11-13 22:38:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-13 22:38:30,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:38:30,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:30,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:30,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:30,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:30,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-13 22:38:30,525 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-13 22:38:30,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:38:30,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:30,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:31,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:31,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-11-13 22:38:31,008 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-13 22:38:31,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:38:31,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:31,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2024-11-13 22:38:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2024-11-13 22:38:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:38:31,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:31,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:31,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:31,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2024-11-13 22:38:31,855 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2024-11-13 22:38:31,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:38:31,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:31,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:31,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2024-11-13 22:38:32,433 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2024-11-13 22:38:32,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:38:32,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:32,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:32,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:32,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:32,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2024-11-13 22:38:32,903 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2024-11-13 22:38:32,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:38:32,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:32,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:32,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:33,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:33,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 79 transitions. [2024-11-13 22:38:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2024-11-13 22:38:33,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:38:33,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:33,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:33,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:33,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2024-11-13 22:38:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2024-11-13 22:38:33,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:38:33,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:33,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:33,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:34,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2024-11-13 22:38:34,064 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2024-11-13 22:38:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:38:34,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:34,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:34,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2024-11-13 22:38:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2024-11-13 22:38:34,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:38:34,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:34,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:34,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:34,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:34,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 87 transitions. [2024-11-13 22:38:34,769 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2024-11-13 22:38:34,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:38:34,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:34,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:34,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:35,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:35,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2024-11-13 22:38:35,015 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2024-11-13 22:38:35,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:38:35,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:35,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:35,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2024-11-13 22:38:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2024-11-13 22:38:35,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:38:35,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:35,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:35,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:35,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2024-11-13 22:38:35,359 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2024-11-13 22:38:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:38:35,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:35,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:35,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:35,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2024-11-13 22:38:35,467 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2024-11-13 22:38:35,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:38:35,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:35,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 62 states and 115 transitions. [2024-11-13 22:38:36,211 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2024-11-13 22:38:36,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:38:36,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:36,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:38:36,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:36,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 67 states and 121 transitions. [2024-11-13 22:38:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 121 transitions. [2024-11-13 22:38:36,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:38:36,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:36,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:36,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:37,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:37,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 70 states and 124 transitions. [2024-11-13 22:38:37,370 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 124 transitions. [2024-11-13 22:38:37,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:38:37,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:37,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:37,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:38:37,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:37,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 70 states and 123 transitions. [2024-11-13 22:38:37,791 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 123 transitions. [2024-11-13 22:38:37,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:38:37,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:37,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:38:38,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:38,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 72 states and 125 transitions. [2024-11-13 22:38:38,175 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 125 transitions. [2024-11-13 22:38:38,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:38:38,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:38,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:38,268 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:38:38,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:38,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 71 states and 124 transitions. [2024-11-13 22:38:38,467 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 124 transitions. [2024-11-13 22:38:38,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:38:38,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:38,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:38:39,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:39,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 74 states and 136 transitions. [2024-11-13 22:38:39,271 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 136 transitions. [2024-11-13 22:38:39,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:38:39,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:39,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:39,315 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:38:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 79 states and 144 transitions. [2024-11-13 22:38:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 144 transitions. [2024-11-13 22:38:39,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:38:39,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:39,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:40,026 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:38:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:40,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 79 states and 143 transitions. [2024-11-13 22:38:40,524 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 143 transitions. [2024-11-13 22:38:40,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:38:40,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:40,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:38:40,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:40,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 79 states and 142 transitions. [2024-11-13 22:38:40,910 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 142 transitions. [2024-11-13 22:38:40,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:38:40,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:40,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 22:38:41,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:41,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2024-11-13 22:38:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2024-11-13 22:38:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:38:41,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:41,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:41,528 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:38:41,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2024-11-13 22:38:41,859 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2024-11-13 22:38:41,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:38:41,860 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2024-11-13 22:38:41,871 INFO L729 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2024-11-13 22:38:43,440 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2024-11-13 22:38:43,441 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (or (and (<= 20 |ULTIMATE.start_main_~range~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= |ULTIMATE.start_main_~range~0#1| 20)) (and (<= 0 (+ 2147483646 |ULTIMATE.start_main_~range~0#1|)) (< |ULTIMATE.start_main_~range~0#1| 20))) [2024-11-13 22:38:43,441 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= |ULTIMATE.start_main_~range~0#1| 20)) (< |ULTIMATE.start_main_~range~0#1| 20)) [2024-11-13 22:38:43,441 INFO L77 FloydHoareUtils]: At program point L23-1(lines 23 25) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~i~0#1| 2147483647))) (or (and .cse0 (<= 19 |ULTIMATE.start_main_~range~0#1|) (< |ULTIMATE.start_main_~range~0#1| 20)) (and (<= 20 |ULTIMATE.start_main_~range~0#1|) .cse0 (<= |ULTIMATE.start_main_~range~0#1| 20)) (and (<= 0 (+ 2147483646 |ULTIMATE.start_main_~range~0#1|)) (< |ULTIMATE.start_main_~range~0#1| 19)))) [2024-11-13 22:38:43,442 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-13 22:38:43,442 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2024-11-13 22:38:43,442 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2024-11-13 22:38:43,442 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~i~0#1| 2147483647)) (.cse1 (<= 0 |ULTIMATE.start_main_~i~0#1|))) (or (and (<= 20 |ULTIMATE.start_main_~range~0#1|) .cse0 (<= |ULTIMATE.start_main_~range~0#1| 20) .cse1) (and .cse0 (<= 19 |ULTIMATE.start_main_~range~0#1|) (< |ULTIMATE.start_main_~range~0#1| 20) .cse1) (and .cse0 (<= 0 (+ 2147483646 |ULTIMATE.start_main_~range~0#1|)) .cse1 (< |ULTIMATE.start_main_~range~0#1| 19)))) [2024-11-13 22:38:43,443 INFO L77 FloydHoareUtils]: At program point L24-1(line 24) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~i~0#1| 2147483647))) (or (and .cse0 (<= 0 (+ 2147483646 |ULTIMATE.start_main_~range~0#1|)) (< |ULTIMATE.start_main_~range~0#1| 19)) (and .cse0 (<= 19 |ULTIMATE.start_main_~range~0#1|) (< |ULTIMATE.start_main_~range~0#1| 20)) (and (<= 20 |ULTIMATE.start_main_~range~0#1|) .cse0 (<= |ULTIMATE.start_main_~range~0#1| 20)))) [2024-11-13 22:38:43,443 INFO L77 FloydHoareUtils]: At program point L20-1(lines 13 29) the Hoare annotation is: (let ((.cse0 (<= 20 |ULTIMATE.start_main_~range~0#1|)) (.cse3 (<= |ULTIMATE.start_main_~range~0#1| 20)) (.cse1 (<= 1 |ULTIMATE.start_main_~up~0#1|)) (.cse2 (< |ULTIMATE.start_main_~i~0#1| 0)) (.cse8 (<= 19 |ULTIMATE.start_main_~range~0#1|)) (.cse9 (< |ULTIMATE.start_main_~range~0#1| 20)) (.cse4 (<= |ULTIMATE.start_main_~i~0#1| 2147483647)) (.cse6 (<= 0 (+ 2147483646 |ULTIMATE.start_main_~range~0#1|))) (.cse5 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse7 (< |ULTIMATE.start_main_~range~0#1| 19))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 .cse5) (and .cse1 .cse2 .cse6 .cse7) (and .cse4 .cse8 .cse9 .cse5) (and .cse1 .cse2 .cse8 .cse9) (and .cse4 .cse6 .cse5 .cse7))) [2024-11-13 22:38:43,443 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2024-11-13 22:38:43,443 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:38:43,443 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2024-11-13 22:38:43,444 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~up~0#1|)) (.cse1 (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))) (.cse2 (<= |ULTIMATE.start_main_~i~0#1| 20))) (or (and .cse0 (<= 0 (+ 2147483646 |ULTIMATE.start_main_~range~0#1|)) .cse1 .cse2 (< |ULTIMATE.start_main_~range~0#1| 19)) (and (<= 20 |ULTIMATE.start_main_~range~0#1|) .cse0 (<= |ULTIMATE.start_main_~range~0#1| 20) .cse1 .cse2) (and .cse0 .cse1 (<= 19 |ULTIMATE.start_main_~range~0#1|) .cse2 (< |ULTIMATE.start_main_~range~0#1| 20)))) [2024-11-13 22:38:43,444 INFO L77 FloydHoareUtils]: At program point L21-1(line 21) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~up~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~i~0#1| 20))) (or (and .cse0 (<= 0 (+ 2147483646 |ULTIMATE.start_main_~range~0#1|)) .cse1 (< |ULTIMATE.start_main_~range~0#1| 19)) (and .cse0 (<= 19 |ULTIMATE.start_main_~range~0#1|) .cse1 (< |ULTIMATE.start_main_~range~0#1| 20)) (and (<= 20 |ULTIMATE.start_main_~range~0#1|) .cse0 (<= |ULTIMATE.start_main_~range~0#1| 20) .cse1))) [2024-11-13 22:38:43,444 INFO L77 FloydHoareUtils]: At program point L17-1(lines 13 29) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~i~0#1| 20)) (.cse1 (<= 0 |ULTIMATE.start_main_~i~0#1|))) (or (and (<= 0 (+ 2147483646 |ULTIMATE.start_main_~range~0#1|)) .cse0 .cse1 (< |ULTIMATE.start_main_~range~0#1| 19)) (and (<= 20 |ULTIMATE.start_main_~range~0#1|) (<= |ULTIMATE.start_main_~range~0#1| 20) .cse0 .cse1) (and (<= 19 |ULTIMATE.start_main_~range~0#1|) .cse0 (< |ULTIMATE.start_main_~range~0#1| 20) .cse1))) [2024-11-13 22:38:43,444 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:38:43,445 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2024-11-13 22:38:43,445 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: (or (and (<= 20 |ULTIMATE.start_main_~range~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= |ULTIMATE.start_main_~range~0#1| 20)) (and (<= 0 (+ 2147483646 |ULTIMATE.start_main_~range~0#1|)) (< |ULTIMATE.start_main_~range~0#1| 20))) [2024-11-13 22:38:43,445 INFO L77 FloydHoareUtils]: At program point L26-1(lines 26 28) the Hoare annotation is: (or (and (<= 20 |ULTIMATE.start_main_~range~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= |ULTIMATE.start_main_~range~0#1| 20)) (and (<= 0 (+ 2147483646 |ULTIMATE.start_main_~range~0#1|)) (< |ULTIMATE.start_main_~range~0#1| 20))) [2024-11-13 22:38:43,445 INFO L77 FloydHoareUtils]: At program point L26-3(lines 13 29) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= |ULTIMATE.start_main_~range~0#1| 20)) (< (+ |ULTIMATE.start_main_~i~0#1| 2147483648) 0) (< |ULTIMATE.start_main_~range~0#1| 20)) [2024-11-13 22:38:43,445 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-13 22:38:43,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:38:43 ImpRootNode [2024-11-13 22:38:43,460 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:38:43,461 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:38:43,461 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:38:43,462 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:38:43,462 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:38:30" (3/4) ... [2024-11-13 22:38:43,465 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:38:43,473 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 22:38:43,473 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:38:43,474 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 22:38:43,574 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:38:43,575 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:38:43,575 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:38:43,579 INFO L158 Benchmark]: Toolchain (without parser) took 14206.60ms. Allocated memory was 494.9MB in the beginning and 176.2MB in the end (delta: -318.8MB). Free memory was 472.2MB in the beginning and 129.6MB in the end (delta: 342.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-13 22:38:43,579 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:38:43,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.78ms. Allocated memory was 494.9MB in the beginning and 142.6MB in the end (delta: -352.3MB). Free memory was 471.9MB in the beginning and 109.7MB in the end (delta: 362.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:38:43,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.45ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 108.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:38:43,580 INFO L158 Benchmark]: Boogie Preprocessor took 25.18ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.9MB in the end (delta: 672.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:38:43,581 INFO L158 Benchmark]: RCFGBuilder took 423.41ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 96.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:38:43,581 INFO L158 Benchmark]: CodeCheck took 13298.90ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 96.3MB in the beginning and 134.0MB in the end (delta: -37.7MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2024-11-13 22:38:43,581 INFO L158 Benchmark]: Witness Printer took 113.48ms. Allocated memory is still 176.2MB. Free memory was 134.0MB in the beginning and 129.6MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:38:43,585 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, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 11.7s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2520 SdHoareTripleChecker+Valid, 13.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2353 mSDsluCounter, 2498 SdHoareTripleChecker+Invalid, 10.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2140 mSDsCounter, 1049 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6152 IncrementalHoareTripleChecker+Invalid, 7201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1049 mSolverCounterUnsat, 358 mSDtfsCounter, 6152 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3251 GetRequests, 2928 SyntacticMatches, 119 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22167 ImplicationChecksByTransitivity, 8.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 740 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 24 PerfectInterpolantSequences, 93/105 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: ((((i <= 2147483647) && (range <= 20)) || ((i + 2147483648) < 0)) || (range < 20)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.78ms. Allocated memory was 494.9MB in the beginning and 142.6MB in the end (delta: -352.3MB). Free memory was 471.9MB in the beginning and 109.7MB in the end (delta: 362.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.45ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 108.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.18ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.9MB in the end (delta: 672.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 423.41ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 96.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 13298.90ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 96.3MB in the beginning and 134.0MB in the end (delta: -37.7MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. * Witness Printer took 113.48ms. Allocated memory is still 176.2MB. Free memory was 134.0MB in the beginning and 129.6MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:38:43,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243e3bb8-6bbf-44bf-9a57-48058af4af13/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