./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_4a335954-0282-4a4f-a4e0-4afa0af0ed99/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/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_4a335954-0282-4a4f-a4e0-4afa0af0ed99/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/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 32bit --witnessprinter.graph.data.programhash 082e5acb2a505af9e43ec1a894890509a127a32d8ecd4c5193a456bddcb0f4a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:58:07,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:58:07,712 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 20:58:07,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:58:07,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:58:07,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:58:07,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:58:07,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:58:07,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:58:07,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:58:07,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:58:07,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:58:07,752 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:58:07,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:58:07,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:58:07,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:58:07,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:58:07,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:58:07,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:58:07,752 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:58:07,752 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:58:07,753 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:58:07,755 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:58:07,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:58:07,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:58:07,755 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:58:07,755 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:58:07,755 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:58:07,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:58:07,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:58:07,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:58:07,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:58:07,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:58:07,756 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:58:07,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:58:07,756 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_4a335954-0282-4a4f-a4e0-4afa0af0ed99/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 082e5acb2a505af9e43ec1a894890509a127a32d8ecd4c5193a456bddcb0f4a3 [2024-11-13 20:58:08,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:58:08,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:58:08,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:58:08,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:58:08,068 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:58:08,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c Unable to find full path for "g++" [2024-11-13 20:58:09,892 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:58:10,159 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:58:10,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c [2024-11-13 20:58:10,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/bin/ukojak-verify-EEHR8qb7sm/data/8878a562e/26273ea3e312453095edc088fcc11f04/FLAG183749e57 [2024-11-13 20:58:10,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/bin/ukojak-verify-EEHR8qb7sm/data/8878a562e/26273ea3e312453095edc088fcc11f04 [2024-11-13 20:58:10,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:58:10,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:58:10,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:58:10,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:58:10,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:58:10,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:58:10" (1/1) ... [2024-11-13 20:58:10,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@275a7468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:58:10, skipping insertion in model container [2024-11-13 20:58:10,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:58:10" (1/1) ... [2024-11-13 20:58:10,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:58:10,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:58:10,439 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:58:10,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:58:10,483 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:58:10,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:58:10 WrapperNode [2024-11-13 20:58:10,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:58:10,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:58:10,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:58:10,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:58:10,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:58:10" (1/1) ... [2024-11-13 20:58:10,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:58:10" (1/1) ... [2024-11-13 20:58:10,525 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-11-13 20:58:10,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:58:10,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:58:10,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:58:10,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:58:10,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:58:10" (1/1) ... [2024-11-13 20:58:10,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:58:10" (1/1) ... [2024-11-13 20:58:10,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:58:10" (1/1) ... [2024-11-13 20:58:10,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:58:10" (1/1) ... [2024-11-13 20:58:10,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:58:10" (1/1) ... [2024-11-13 20:58:10,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:58:10" (1/1) ... [2024-11-13 20:58:10,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:58:10" (1/1) ... [2024-11-13 20:58:10,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:58:10" (1/1) ... [2024-11-13 20:58:10,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:58:10,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:58:10,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:58:10,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:58:10,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:58:10" (1/1) ... [2024-11-13 20:58:10,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:58:10,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:58:10,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:58:10,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:58:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:58:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:58:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:58:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:58:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:58:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:58:10,742 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:58:10,744 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:58:10,925 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 20:58:10,925 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:58:11,030 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:58:11,030 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:58:11,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:58:11 BoogieIcfgContainer [2024-11-13 20:58:11,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:58:11,033 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:58:11,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:58:11,044 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:58:11,044 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:58:11" (1/1) ... [2024-11-13 20:58:11,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:58:11,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:11,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 20:58:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 20:58:11,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:58:11,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:11,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:11,397 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 20:58:11,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:11,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2024-11-13 20:58:11,478 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-13 20:58:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:58:11,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:11,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:11,588 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 20:58:11,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:11,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-11-13 20:58:11,620 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-13 20:58:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:58:11,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:11,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:11,692 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 20:58:11,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:11,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2024-11-13 20:58:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2024-11-13 20:58:11,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:58:11,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:11,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:12,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:58:12,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:12,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2024-11-13 20:58:12,255 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-11-13 20:58:12,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:58:12,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:12,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:58:12,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:12,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2024-11-13 20:58:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2024-11-13 20:58:12,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:58:12,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:12,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:12,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:58:13,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:13,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2024-11-13 20:58:13,157 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2024-11-13 20:58:13,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:58:13,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:13,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:13,292 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:58:13,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:13,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2024-11-13 20:58:13,478 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2024-11-13 20:58:13,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:58:13,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:13,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:13,587 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:58:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 75 transitions. [2024-11-13 20:58:13,634 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 75 transitions. [2024-11-13 20:58:13,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 20:58:13,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:13,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:13,813 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 20:58:13,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:13,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 83 transitions. [2024-11-13 20:58:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2024-11-13 20:58:13,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 20:58:13,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:13,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:14,077 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 20:58:14,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:14,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 61 states and 96 transitions. [2024-11-13 20:58:14,378 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 96 transitions. [2024-11-13 20:58:14,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:58:14,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:14,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:58:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 63 states and 97 transitions. [2024-11-13 20:58:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2024-11-13 20:58:14,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 20:58:14,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:14,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:58:15,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 67 states and 105 transitions. [2024-11-13 20:58:15,151 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2024-11-13 20:58:15,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 20:58:15,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:15,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:58:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:15,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 108 transitions. [2024-11-13 20:58:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2024-11-13 20:58:15,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:58:15,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:15,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:58:15,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:15,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 112 transitions. [2024-11-13 20:58:15,682 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2024-11-13 20:58:15,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 20:58:15,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:15,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:15,982 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 20:58:16,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 78 states and 125 transitions. [2024-11-13 20:58:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 125 transitions. [2024-11-13 20:58:16,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 20:58:16,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:16,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:16,641 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:58:16,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:16,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 78 states and 122 transitions. [2024-11-13 20:58:16,841 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 122 transitions. [2024-11-13 20:58:16,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 20:58:16,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:16,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:16,995 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:58:17,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 82 states and 130 transitions. [2024-11-13 20:58:17,238 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 130 transitions. [2024-11-13 20:58:17,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 20:58:17,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:17,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:17,437 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:58:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 85 states and 133 transitions. [2024-11-13 20:58:17,609 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2024-11-13 20:58:17,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 20:58:17,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:17,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:17,782 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:58:17,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 86 states and 138 transitions. [2024-11-13 20:58:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 138 transitions. [2024-11-13 20:58:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 20:58:17,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:17,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:18,149 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:58:18,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:18,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 93 states and 151 transitions. [2024-11-13 20:58:18,509 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 151 transitions. [2024-11-13 20:58:18,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 20:58:18,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:18,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-13 20:58:19,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:19,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 93 states and 147 transitions. [2024-11-13 20:58:19,097 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2024-11-13 20:58:19,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 20:58:19,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:19,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:19,296 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-13 20:58:19,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:19,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 97 states and 155 transitions. [2024-11-13 20:58:19,583 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2024-11-13 20:58:19,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 20:58:19,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:19,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-13 20:58:19,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:19,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 100 states and 158 transitions. [2024-11-13 20:58:19,990 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2024-11-13 20:58:19,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 20:58:19,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:19,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:20,343 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-13 20:58:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:20,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 107 states and 171 transitions. [2024-11-13 20:58:20,760 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 171 transitions. [2024-11-13 20:58:20,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 20:58:20,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:20,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:20,935 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-13 20:58:21,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:21,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 108 states and 171 transitions. [2024-11-13 20:58:21,019 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 171 transitions. [2024-11-13 20:58:21,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 20:58:21,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:21,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:21,515 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 64 proven. 16 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-13 20:58:21,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:21,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 151 transitions. [2024-11-13 20:58:21,765 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 151 transitions. [2024-11-13 20:58:21,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 20:58:21,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:21,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-13 20:58:22,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:22,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 99 states and 150 transitions. [2024-11-13 20:58:22,254 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 150 transitions. [2024-11-13 20:58:22,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 20:58:22,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:22,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-13 20:58:22,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:22,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 98 states and 149 transitions. [2024-11-13 20:58:22,702 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 149 transitions. [2024-11-13 20:58:22,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 20:58:22,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:22,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-13 20:58:23,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:23,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 95 states and 142 transitions. [2024-11-13 20:58:23,428 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2024-11-13 20:58:23,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 20:58:23,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:23,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-13 20:58:24,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:24,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 87 states and 123 transitions. [2024-11-13 20:58:24,014 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2024-11-13 20:58:24,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 20:58:24,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:24,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:58:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:24,342 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-13 20:58:25,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 86 states and 122 transitions. [2024-11-13 20:58:25,038 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2024-11-13 20:58:25,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:58:25,039 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2024-11-13 20:58:25,048 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 20:58:25,514 INFO L77 FloydHoareUtils]: At program point L35-2(line 35) the Hoare annotation is: true [2024-11-13 20:58:25,515 INFO L77 FloydHoareUtils]: At program point L35-3(lines 35 43) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_#t~post6#1| 0))) (or (and (< 1 |ULTIMATE.start_main_#t~post6#1|) (<= ~counter~0 3) (< 2 ~counter~0) (<= |ULTIMATE.start_main_#t~post6#1| 2)) (and (< 4 |ULTIMATE.start_main_#t~post6#1|) (<= (+ |ULTIMATE.start_main_#t~post6#1| 1) ~counter~0)) (and (not .cse0) (<= |ULTIMATE.start_main_#t~post6#1| 1) (<= ~counter~0 2)) (and .cse0 (<= ~counter~0 1) (<= 1 ~counter~0)) (and (<= ~counter~0 4) (< 3 ~counter~0) (< 2 |ULTIMATE.start_main_#t~post6#1|) (<= |ULTIMATE.start_main_#t~post6#1| 3)) (and (< 3 |ULTIMATE.start_main_#t~post6#1|) (<= |ULTIMATE.start_main_#t~post6#1| 4) (<= ~counter~0 5) (< 4 ~counter~0)))) [2024-11-13 20:58:25,515 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) the Hoare annotation is: true [2024-11-13 20:58:25,515 INFO L77 FloydHoareUtils]: At program point L35-5(lines 35 43) the Hoare annotation is: true [2024-11-13 20:58:25,516 INFO L77 FloydHoareUtils]: At program point L60(line 60) the Hoare annotation is: true [2024-11-13 20:58:25,516 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: (<= ~counter~0 5) [2024-11-13 20:58:25,516 INFO L77 FloydHoareUtils]: At program point L36-1(line 36) the Hoare annotation is: true [2024-11-13 20:58:25,516 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) the Hoare annotation is: true [2024-11-13 20:58:25,516 INFO L77 FloydHoareUtils]: At program point L53-2(lines 45 57) the Hoare annotation is: true [2024-11-13 20:58:25,516 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-11-13 20:58:25,517 INFO L77 FloydHoareUtils]: At program point L45-1(line 45) the Hoare annotation is: true [2024-11-13 20:58:25,517 INFO L77 FloydHoareUtils]: At program point L45-2(lines 45 57) the Hoare annotation is: (not (and (< 5 ~counter~0) (<= |ULTIMATE.start_main_#t~post7#1| 4))) [2024-11-13 20:58:25,517 INFO L77 FloydHoareUtils]: At program point L45-4(lines 45 57) the Hoare annotation is: true [2024-11-13 20:58:25,518 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-13 20:58:25,518 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) the Hoare annotation is: true [2024-11-13 20:58:25,518 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:58:25,518 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: (<= ~counter~0 5) [2024-11-13 20:58:25,518 INFO L77 FloydHoareUtils]: At program point L46-1(line 46) the Hoare annotation is: true [2024-11-13 20:58:25,520 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:58:25,520 INFO L77 FloydHoareUtils]: At program point L38(lines 35 43) the Hoare annotation is: true [2024-11-13 20:58:25,520 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) the Hoare annotation is: true [2024-11-13 20:58:25,521 INFO L77 FloydHoareUtils]: At program point L59(line 59) the Hoare annotation is: true [2024-11-13 20:58:25,521 INFO L77 FloydHoareUtils]: At program point L47(lines 45 57) the Hoare annotation is: true [2024-11-13 20:58:25,521 INFO L77 FloydHoareUtils]: At program point L35-1(line 35) the Hoare annotation is: true [2024-11-13 20:58:25,521 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: true [2024-11-13 20:58:25,521 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2024-11-13 20:58:25,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:58:25 ImpRootNode [2024-11-13 20:58:25,541 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:58:25,542 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:58:25,542 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:58:25,542 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:58:25,543 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:58:11" (3/4) ... [2024-11-13 20:58:25,545 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:58:25,549 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 20:58:25,555 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-13 20:58:25,555 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 20:58:25,556 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:58:25,556 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:58:25,648 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:58:25,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:58:25,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:58:25,652 INFO L158 Benchmark]: Toolchain (without parser) took 15460.11ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 119.4MB in the beginning and 378.8MB in the end (delta: -259.4MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-11-13 20:58:25,653 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:58:25,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.81ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:58:25,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.12ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:58:25,654 INFO L158 Benchmark]: Boogie Preprocessor took 36.15ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 803.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:58:25,655 INFO L158 Benchmark]: RCFGBuilder took 466.51ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 91.4MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:58:25,656 INFO L158 Benchmark]: CodeCheck took 14508.02ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 91.4MB in the beginning and 383.0MB in the end (delta: -291.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:58:25,656 INFO L158 Benchmark]: Witness Printer took 107.34ms. Allocated memory is still 427.8MB. Free memory was 383.0MB in the beginning and 378.8MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:58:25,661 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 2 procedures, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 14.0s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3304 SdHoareTripleChecker+Valid, 15.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1925 mSDsluCounter, 3250 SdHoareTripleChecker+Invalid, 13.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1156 mSDsCounter, 2188 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7504 IncrementalHoareTripleChecker+Invalid, 9692 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2188 mSolverCounterUnsat, 2094 mSDtfsCounter, 7504 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9987 GetRequests, 9267 SyntacticMatches, 580 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11568 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 1322 NumberOfCodeBlocks, 1322 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1291 ConstructedInterpolants, 0 QuantifiedInterpolants, 2873 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 7 PerfectInterpolantSequences, 2739/3470 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.81ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.12ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.15ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 803.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 466.51ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 91.4MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14508.02ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 91.4MB in the beginning and 383.0MB in the end (delta: -291.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 107.34ms. Allocated memory is still 427.8MB. Free memory was 383.0MB in the beginning and 378.8MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:58:25,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a335954-0282-4a4f-a4e0-4afa0af0ed99/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