./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3 --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 3d0e3bce6f4731d98bf8e5301c405fc62948194b21f76143536933e108212a93 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:09:10,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:09:10,691 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 05:09:10,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:09:10,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:09:10,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:09:10,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:09:10,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:09:10,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:09:10,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:09:10,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:09:10,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:09:10,726 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:09:10,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:09:10,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:09:10,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:09:10,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:09:10,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:09:10,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:09:10,726 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:09:10,727 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:09:10,727 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:09:10,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:09:10,727 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:09:10,727 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:09:10,727 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:09:10,727 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:09:10,727 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:09:10,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:09:10,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:09:10,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:09:10,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:09:10,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:09:10,728 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:09:10,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:09:10,728 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_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3 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 -> 3d0e3bce6f4731d98bf8e5301c405fc62948194b21f76143536933e108212a93 [2024-11-25 05:09:11,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:09:11,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:09:11,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:09:11,067 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:09:11,069 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:09:11,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound5.i [2024-11-25 05:09:14,031 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/data/fb45ee1f9/000495604cfc4a4d874088fb9b24fff1/FLAG79827aeb4 [2024-11-25 05:09:14,348 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:09:14,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound5.i [2024-11-25 05:09:14,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/data/fb45ee1f9/000495604cfc4a4d874088fb9b24fff1/FLAG79827aeb4 [2024-11-25 05:09:14,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/data/fb45ee1f9/000495604cfc4a4d874088fb9b24fff1 [2024-11-25 05:09:14,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:09:14,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:09:14,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:09:14,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:09:14,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:09:14,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:09:14" (1/1) ... [2024-11-25 05:09:14,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f4706d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:14, skipping insertion in model container [2024-11-25 05:09:14,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:09:14" (1/1) ... [2024-11-25 05:09:14,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:09:14,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:09:14,630 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:09:14,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:09:14,674 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:09:14,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:14 WrapperNode [2024-11-25 05:09:14,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:09:14,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:09:14,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:09:14,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:09:14,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:14" (1/1) ... [2024-11-25 05:09:14,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:14" (1/1) ... [2024-11-25 05:09:14,721 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-25 05:09:14,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:09:14,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:09:14,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:09:14,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:09:14,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:14" (1/1) ... [2024-11-25 05:09:14,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:14" (1/1) ... [2024-11-25 05:09:14,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:14" (1/1) ... [2024-11-25 05:09:14,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:14" (1/1) ... [2024-11-25 05:09:14,735 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:14" (1/1) ... [2024-11-25 05:09:14,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:14" (1/1) ... [2024-11-25 05:09:14,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:14" (1/1) ... [2024-11-25 05:09:14,747 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:14" (1/1) ... [2024-11-25 05:09:14,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:14" (1/1) ... [2024-11-25 05:09:14,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:09:14,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:09:14,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:09:14,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:09:14,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:14" (1/1) ... [2024-11-25 05:09:14,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:09:14,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:09:14,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:09:14,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:09:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:09:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 05:09:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 05:09:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:09:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:09:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:09:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:09:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:09:14,894 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:09:14,897 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:09:15,094 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 05:09:15,094 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:09:15,153 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:09:15,154 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:09:15,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:09:15 BoogieIcfgContainer [2024-11-25 05:09:15,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:09:15,155 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:09:15,155 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:09:15,166 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:09:15,167 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:09:15" (1/1) ... [2024-11-25 05:09:15,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:09:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:15,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-11-25 05:09:15,228 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-11-25 05:09:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:09:15,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:15,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:15,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 35 transitions. [2024-11-25 05:09:15,584 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-25 05:09:15,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:09:15,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:15,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:15,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 36 transitions. [2024-11-25 05:09:15,725 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2024-11-25 05:09:15,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:09:15,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:15,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:15,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:15,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 36 transitions. [2024-11-25 05:09:15,829 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2024-11-25 05:09:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:09:15,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:15,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:16,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:16,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 43 transitions. [2024-11-25 05:09:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-25 05:09:16,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:09:16,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:16,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:16,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:16,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:16,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 45 transitions. [2024-11-25 05:09:16,509 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-11-25 05:09:16,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 05:09:16,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:16,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:16,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:16,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 53 transitions. [2024-11-25 05:09:16,956 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-11-25 05:09:16,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 05:09:16,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:16,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:17,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:17,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:17,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 56 transitions. [2024-11-25 05:09:17,244 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2024-11-25 05:09:17,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 05:09:17,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:17,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:17,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 59 transitions. [2024-11-25 05:09:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2024-11-25 05:09:17,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 05:09:17,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:17,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:17,523 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:17,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:17,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 60 transitions. [2024-11-25 05:09:17,681 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2024-11-25 05:09:17,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 05:09:17,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:17,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:17,833 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 68 transitions. [2024-11-25 05:09:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2024-11-25 05:09:18,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 05:09:18,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:18,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:18,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:18,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 71 transitions. [2024-11-25 05:09:18,420 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2024-11-25 05:09:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 05:09:18,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:18,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:18,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:18,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:18,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 56 states and 77 transitions. [2024-11-25 05:09:18,600 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2024-11-25 05:09:18,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 05:09:18,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:18,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:18,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:18,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 82 transitions. [2024-11-25 05:09:18,734 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2024-11-25 05:09:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 05:09:18,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:18,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:18,802 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:18,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:18,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 86 transitions. [2024-11-25 05:09:18,840 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2024-11-25 05:09:18,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 05:09:18,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:18,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:19,040 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:19,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 60 states and 83 transitions. [2024-11-25 05:09:19,186 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2024-11-25 05:09:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 05:09:19,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:19,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:19,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:19,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 64 states and 91 transitions. [2024-11-25 05:09:19,821 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2024-11-25 05:09:19,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 05:09:19,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:19,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:19,968 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:20,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:20,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 94 transitions. [2024-11-25 05:09:20,100 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2024-11-25 05:09:20,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 05:09:20,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:20,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:20,216 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:20,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:20,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 70 states and 99 transitions. [2024-11-25 05:09:20,262 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2024-11-25 05:09:20,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 05:09:20,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:20,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:20,354 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:20,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:20,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 104 transitions. [2024-11-25 05:09:20,403 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2024-11-25 05:09:20,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 05:09:20,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:20,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:20,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:20,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 100 transitions. [2024-11-25 05:09:20,861 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2024-11-25 05:09:20,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 05:09:20,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:20,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:21,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:21,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 75 states and 108 transitions. [2024-11-25 05:09:21,542 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2024-11-25 05:09:21,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 05:09:21,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:21,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:21,690 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:21,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:21,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 78 states and 111 transitions. [2024-11-25 05:09:21,855 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2024-11-25 05:09:21,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 05:09:21,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:21,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:21,972 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:22,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:22,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 81 states and 116 transitions. [2024-11-25 05:09:22,021 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2024-11-25 05:09:22,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 05:09:22,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:22,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:22,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:22,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 82 states and 116 transitions. [2024-11-25 05:09:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2024-11-25 05:09:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 05:09:22,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:22,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:22,566 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:22,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 102 transitions. [2024-11-25 05:09:22,764 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2024-11-25 05:09:22,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:09:22,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:22,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:23,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:23,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 107 transitions. [2024-11-25 05:09:23,528 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2024-11-25 05:09:23,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:09:23,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:23,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:23,677 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:23,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:23,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 106 transitions. [2024-11-25 05:09:23,853 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2024-11-25 05:09:23,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 05:09:23,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:23,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:24,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:24,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 81 states and 111 transitions. [2024-11-25 05:09:24,013 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2024-11-25 05:09:24,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 05:09:24,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:24,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:24,236 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-25 05:09:24,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:24,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 74 states and 94 transitions. [2024-11-25 05:09:24,512 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2024-11-25 05:09:24,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 05:09:24,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:24,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:24,762 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:25,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:25,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 77 states and 98 transitions. [2024-11-25 05:09:25,369 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2024-11-25 05:09:25,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-25 05:09:25,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:25,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:09:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:25,743 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:09:25,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:25,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 71 states and 88 transitions. [2024-11-25 05:09:25,989 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2024-11-25 05:09:25,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:09:25,989 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2024-11-25 05:09:25,997 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 05:09:26,503 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: (= ~counter~0 0) [2024-11-25 05:09:26,504 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) the Hoare annotation is: true [2024-11-25 05:09:26,504 INFO L77 FloydHoareUtils]: At program point L31-1(line 31) the Hoare annotation is: true [2024-11-25 05:09:26,504 INFO L77 FloydHoareUtils]: At program point L40(line 40) the Hoare annotation is: true [2024-11-25 05:09:26,505 INFO L77 FloydHoareUtils]: At program point L40-1(line 40) the Hoare annotation is: true [2024-11-25 05:09:26,505 INFO L77 FloydHoareUtils]: At program point L40-2(lines 40 49) the Hoare annotation is: (not (and (< 5 ~counter~0) (<= |ULTIMATE.start_main_#t~post4#1| 4))) [2024-11-25 05:09:26,505 INFO L77 FloydHoareUtils]: At program point L40-3(lines 40 49) the Hoare annotation is: (<= ~counter~0 5) [2024-11-25 05:09:26,505 INFO L77 FloydHoareUtils]: At program point L36-1(line 36) the Hoare annotation is: true [2024-11-25 05:09:26,505 INFO L77 FloydHoareUtils]: At program point L40-5(lines 40 49) the Hoare annotation is: true [2024-11-25 05:09:26,505 INFO L77 FloydHoareUtils]: At program point L36-2(line 36) the Hoare annotation is: true [2024-11-25 05:09:26,506 INFO L77 FloydHoareUtils]: At program point L36-3(lines 36 39) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_#t~post3#1| 0))) (or (and (<= ~counter~0 4) (< 3 ~counter~0) (<= |ULTIMATE.start_main_#t~post3#1| 3) (< 2 |ULTIMATE.start_main_#t~post3#1|)) (and (<= |ULTIMATE.start_main_#t~post3#1| 1) (<= ~counter~0 2) (not .cse0)) (and (< 4 |ULTIMATE.start_main_#t~post3#1|) (<= (+ |ULTIMATE.start_main_#t~post3#1| 1) ~counter~0)) (and (< 3 |ULTIMATE.start_main_#t~post3#1|) (<= ~counter~0 5) (<= |ULTIMATE.start_main_#t~post3#1| 4) (< 4 ~counter~0)) (and .cse0 (<= ~counter~0 1) (<= 1 ~counter~0)) (and (<= ~counter~0 3) (<= |ULTIMATE.start_main_#t~post3#1| 2) (< 2 ~counter~0) (< 1 |ULTIMATE.start_main_#t~post3#1|)))) [2024-11-25 05:09:26,507 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-25 05:09:26,507 INFO L77 FloydHoareUtils]: At program point L36-4(lines 36 39) the Hoare annotation is: (<= ~counter~0 5) [2024-11-25 05:09:26,507 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) the Hoare annotation is: true [2024-11-25 05:09:26,507 INFO L77 FloydHoareUtils]: At program point L36-6(lines 36 39) the Hoare annotation is: true [2024-11-25 05:09:26,507 INFO L77 FloydHoareUtils]: At program point L45-2(lines 40 49) the Hoare annotation is: true [2024-11-25 05:09:26,507 INFO L77 FloydHoareUtils]: At program point L41(lines 40 49) the Hoare annotation is: true [2024-11-25 05:09:26,510 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) the Hoare annotation is: true [2024-11-25 05:09:26,510 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:09:26,510 INFO L77 FloydHoareUtils]: At program point L50(line 50) the Hoare annotation is: true [2024-11-25 05:09:26,510 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:09:26,510 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) the Hoare annotation is: true [2024-11-25 05:09:26,510 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 15 17) the Hoare annotation is: true [2024-11-25 05:09:26,510 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 15 17) the Hoare annotation is: true [2024-11-25 05:09:26,511 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 18 24) the Hoare annotation is: true [2024-11-25 05:09:26,511 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 18 24) the Hoare annotation is: true [2024-11-25 05:09:26,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:09:26 ImpRootNode [2024-11-25 05:09:26,532 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:09:26,533 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:09:26,533 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:09:26,534 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:09:26,535 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:09:15" (3/4) ... [2024-11-25 05:09:26,538 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:09:26,541 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-25 05:09:26,541 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 05:09:26,545 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-25 05:09:26,546 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-25 05:09:26,546 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 05:09:26,546 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:09:26,640 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:09:26,641 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:09:26,641 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:09:26,642 INFO L158 Benchmark]: Toolchain (without parser) took 12255.49ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.7MB in the beginning and 103.4MB in the end (delta: -10.7MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-11-25 05:09:26,643 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:09:26,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.71ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:09:26,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.29ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:09:26,645 INFO L158 Benchmark]: Boogie Preprocessor took 30.29ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.6MB in the end (delta: 733.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:09:26,645 INFO L158 Benchmark]: RCFGBuilder took 401.17ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 66.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:09:26,645 INFO L158 Benchmark]: CodeCheck took 11377.09ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 66.3MB in the beginning and 108.6MB in the end (delta: -42.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:09:26,646 INFO L158 Benchmark]: Witness Printer took 107.73ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 103.4MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:09:26,649 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3101 SdHoareTripleChecker+Valid, 11.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2001 mSDsluCounter, 2450 SdHoareTripleChecker+Invalid, 9.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1390 mSDsCounter, 1641 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6352 IncrementalHoareTripleChecker+Invalid, 7993 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1641 mSolverCounterUnsat, 1060 mSDtfsCounter, 6352 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6588 GetRequests, 6071 SyntacticMatches, 377 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11948 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 813 NumberOfCodeBlocks, 813 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 782 ConstructedInterpolants, 0 QuantifiedInterpolants, 2092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 7 PerfectInterpolantSequences, 231/756 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: 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: 15]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (counter == \old(counter)) - ProcedureContractResult [Line: 18]: 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 0.75ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.71ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.29ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.29ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.6MB in the end (delta: 733.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 401.17ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 66.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11377.09ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 66.3MB in the beginning and 108.6MB in the end (delta: -42.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 107.73ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 103.4MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 05:09:26,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f8ba7c-59f6-4baa-b5b1-3cafa8fe641f/bin/ukojak-verify-ENZ3QT5qd3/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