./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound20.c --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_64b68873-7f0d-4e9f-a575-e040a772813e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/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_64b68873-7f0d-4e9f-a575-e040a772813e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/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_64b68873-7f0d-4e9f-a575-e040a772813e/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 fdadba64290bb92644e7e488fd7f0ff193dc3cda62b54e30ca2f0fabf2570055 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:25:20,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:25:20,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 04:25:20,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:25:20,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:25:20,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:25:20,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:25:20,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:25:20,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:25:20,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:25:20,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:25:20,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:25:20,397 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:25:20,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:25:20,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:25:20,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:25:20,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:25:20,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:25:20,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:25:20,398 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:25:20,398 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:25:20,398 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:25:20,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:25:20,398 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:25:20,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:25:20,401 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:25:20,401 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:25:20,401 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:25:20,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:25:20,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:25:20,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:25:20,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:25:20,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:25:20,402 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:25:20,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:25:20,402 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_64b68873-7f0d-4e9f-a575-e040a772813e/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 -> fdadba64290bb92644e7e488fd7f0ff193dc3cda62b54e30ca2f0fabf2570055 [2024-11-25 04:25:20,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:25:20,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:25:20,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:25:20,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:25:20,678 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:25:20,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound20.c [2024-11-25 04:25:23,735 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/bin/ukojak-verify-ENZ3QT5qd3/data/f028d6e4d/63c28ef2fa2f4097a5742627eb76e458/FLAG51e72e47b [2024-11-25 04:25:23,993 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:25:23,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound20.c [2024-11-25 04:25:24,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/bin/ukojak-verify-ENZ3QT5qd3/data/f028d6e4d/63c28ef2fa2f4097a5742627eb76e458/FLAG51e72e47b [2024-11-25 04:25:24,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/bin/ukojak-verify-ENZ3QT5qd3/data/f028d6e4d/63c28ef2fa2f4097a5742627eb76e458 [2024-11-25 04:25:24,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:25:24,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:25:24,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:25:24,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:25:24,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:25:24,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ae97c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:24, skipping insertion in model container [2024-11-25 04:25:24,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:25:24,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:25:24,195 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:25:24,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:25:24,222 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:25:24,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:24 WrapperNode [2024-11-25 04:25:24,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:25:24,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:25:24,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:25:24,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:25:24,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,253 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2024-11-25 04:25:24,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:25:24,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:25:24,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:25:24,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:25:24,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,265 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:25:24,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:25:24,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:25:24,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:25:24,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:25:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:25:24,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:25:24,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:25:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:25:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:25:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:25:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:25:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:25:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:25:24,393 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:25:24,395 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:25:24,607 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-25 04:25:24,607 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:25:24,659 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:25:24,659 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:25:24,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:25:24 BoogieIcfgContainer [2024-11-25 04:25:24,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:25:24,662 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:25:24,662 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:25:24,673 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:25:24,673 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:25:24" (1/1) ... [2024-11-25 04:25:24,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:25:24,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:24,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-25 04:25:24,748 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-25 04:25:24,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:25:24,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:24,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:24,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:25:24,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:25:25,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 04:25:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 04:25:25,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:25:25,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:25,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:25:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:25,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:25:25,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:25,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:25:25,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:25,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-25 04:25:25,166 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-25 04:25:25,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:25:25,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:25,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:25,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:25:25,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:25,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-25 04:25:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-25 04:25:25,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:25:25,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:25,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:25,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:25:25,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:25,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-25 04:25:25,640 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-25 04:25:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:25:25,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:25,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:25,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:25:26,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:26,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-11-25 04:25:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-25 04:25:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 04:25:26,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:26,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:26,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:25:26,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:26,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-11-25 04:25:26,729 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-25 04:25:26,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 04:25:26,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:26,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:27,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:25:27,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 28 transitions. [2024-11-25 04:25:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-25 04:25:27,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 04:25:27,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:27,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:27,411 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:25:27,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:27,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 37 transitions. [2024-11-25 04:25:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-25 04:25:27,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:25:27,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:27,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:28,059 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:25:28,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 46 transitions. [2024-11-25 04:25:28,430 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2024-11-25 04:25:28,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 04:25:28,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:28,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:28,723 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 04:25:29,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:29,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 55 transitions. [2024-11-25 04:25:29,171 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2024-11-25 04:25:29,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 04:25:29,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:29,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 04:25:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 64 transitions. [2024-11-25 04:25:30,016 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2024-11-25 04:25:30,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-25 04:25:30,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:30,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:30,398 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 04:25:30,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:30,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 73 transitions. [2024-11-25 04:25:30,920 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2024-11-25 04:25:30,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-25 04:25:30,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:30,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:31,377 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-25 04:25:31,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:31,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 82 transitions. [2024-11-25 04:25:31,968 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2024-11-25 04:25:31,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-25 04:25:31,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:31,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:32,433 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-25 04:25:33,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 91 transitions. [2024-11-25 04:25:33,023 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2024-11-25 04:25:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-25 04:25:33,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:33,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-25 04:25:34,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 100 transitions. [2024-11-25 04:25:34,167 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-11-25 04:25:34,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-25 04:25:34,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:34,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-25 04:25:35,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:35,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 78 states and 109 transitions. [2024-11-25 04:25:35,414 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2024-11-25 04:25:35,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-25 04:25:35,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:35,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:36,001 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 363 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-25 04:25:36,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:36,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 118 transitions. [2024-11-25 04:25:36,789 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2024-11-25 04:25:36,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-25 04:25:36,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:36,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:37,447 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 0 proven. 432 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-25 04:25:38,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:38,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 90 states and 127 transitions. [2024-11-25 04:25:38,244 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 127 transitions. [2024-11-25 04:25:38,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-25 04:25:38,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:38,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:39,069 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 0 proven. 507 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-25 04:25:39,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 96 states and 136 transitions. [2024-11-25 04:25:39,837 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2024-11-25 04:25:39,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-25 04:25:39,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:39,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:40,536 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-25 04:25:41,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:41,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 145 transitions. [2024-11-25 04:25:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2024-11-25 04:25:41,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-25 04:25:41,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:41,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-25 04:25:43,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 108 states and 154 transitions. [2024-11-25 04:25:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2024-11-25 04:25:43,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-25 04:25:43,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:43,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:43,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 768 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-25 04:25:44,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 114 states and 163 transitions. [2024-11-25 04:25:44,704 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 163 transitions. [2024-11-25 04:25:44,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-25 04:25:44,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:44,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:45,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 0 proven. 867 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-25 04:25:46,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 120 states and 172 transitions. [2024-11-25 04:25:46,584 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2024-11-25 04:25:46,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-25 04:25:46,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:46,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 972 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-11-25 04:25:48,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:48,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 126 states and 181 transitions. [2024-11-25 04:25:48,601 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 181 transitions. [2024-11-25 04:25:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-25 04:25:48,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:48,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:49,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 0 proven. 1083 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-25 04:25:50,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:50,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 132 states and 190 transitions. [2024-11-25 04:25:50,696 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2024-11-25 04:25:50,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-25 04:25:50,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:50,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 0 proven. 1200 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-11-25 04:25:52,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:52,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 138 states and 199 transitions. [2024-11-25 04:25:52,774 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 199 transitions. [2024-11-25 04:25:52,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-25 04:25:52,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:52,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 1224 proven. 99 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-25 04:25:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 132 states and 190 transitions. [2024-11-25 04:25:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2024-11-25 04:25:56,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:25:56,518 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2024-11-25 04:25:56,528 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 04:25:56,815 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 2147483648)) (<= |ULTIMATE.start_main_~a~0#1| 2147483647) (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (= ~counter~0 0)) [2024-11-25 04:25:56,816 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2024-11-25 04:25:56,816 INFO L77 FloydHoareUtils]: At program point L35-2(line 35) the Hoare annotation is: true [2024-11-25 04:25:56,816 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:25:56,816 INFO L77 FloydHoareUtils]: At program point L33-1(line 33) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 2147483648)) (<= |ULTIMATE.start_main_~a~0#1| 2147483647) (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (= ~counter~0 0)) [2024-11-25 04:25:56,816 INFO L77 FloydHoareUtils]: At program point L35-3(lines 35 44) the Hoare annotation is: (or (<= ~counter~0 1) (< 19 |ULTIMATE.start_main_#t~post7#1|) (and (not (= |ULTIMATE.start_main_#t~post7#1| 0)) (<= ~counter~0 20))) [2024-11-25 04:25:56,817 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) the Hoare annotation is: true [2024-11-25 04:25:56,817 INFO L77 FloydHoareUtils]: At program point L35-4(lines 35 44) the Hoare annotation is: (<= ~counter~0 20) [2024-11-25 04:25:56,817 INFO L77 FloydHoareUtils]: At program point L35-6(lines 35 44) the Hoare annotation is: true [2024-11-25 04:25:56,817 INFO L77 FloydHoareUtils]: At program point L35-7(lines 35 44) the Hoare annotation is: true [2024-11-25 04:25:56,817 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:25:56,817 INFO L77 FloydHoareUtils]: At program point L36(lines 35 44) the Hoare annotation is: true [2024-11-25 04:25:56,817 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2024-11-25 04:25:56,818 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) the Hoare annotation is: true [2024-11-25 04:25:56,818 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-11-25 04:25:56,818 INFO L77 FloydHoareUtils]: At program point L35-1(line 35) the Hoare annotation is: true [2024-11-25 04:25:56,818 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: true [2024-11-25 04:25:56,818 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2024-11-25 04:25:56,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:25:56 ImpRootNode [2024-11-25 04:25:56,834 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:25:56,834 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:25:56,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:25:56,835 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:25:56,835 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:25:24" (3/4) ... [2024-11-25 04:25:56,838 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:25:56,841 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 04:25:56,844 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-25 04:25:56,845 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 04:25:56,845 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:25:56,845 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:25:56,919 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:25:56,919 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:25:56,919 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:25:56,920 INFO L158 Benchmark]: Toolchain (without parser) took 32898.94ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 93.1MB in the beginning and 379.2MB in the end (delta: -286.1MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2024-11-25 04:25:56,920 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:25:56,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.42ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:25:56,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.00ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:25:56,921 INFO L158 Benchmark]: Boogie Preprocessor took 17.92ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.1MB in the end (delta: 702.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:25:56,921 INFO L158 Benchmark]: RCFGBuilder took 389.19ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 68.4MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:25:56,922 INFO L158 Benchmark]: CodeCheck took 32171.71ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 68.4MB in the beginning and 387.3MB in the end (delta: -318.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-25 04:25:56,922 INFO L158 Benchmark]: Witness Printer took 84.55ms. Allocated memory is still 478.2MB. Free memory was 387.3MB in the beginning and 379.2MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:25:56,924 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 31.8s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2294 SdHoareTripleChecker+Valid, 13.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1830 mSDsluCounter, 2197 SdHoareTripleChecker+Invalid, 10.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1089 mSDsCounter, 1979 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8225 IncrementalHoareTripleChecker+Invalid, 10204 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1979 mSolverCounterUnsat, 1108 mSDtfsCounter, 8225 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14628 GetRequests, 13044 SyntacticMatches, 1312 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44183 ImplicationChecksByTransitivity, 18.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 15.4s InterpolantComputationTime, 2024 NumberOfCodeBlocks, 2024 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1997 ConstructedInterpolants, 0 QuantifiedInterpolants, 5179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 73 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 27 InterpolantComputations, 4 PerfectInterpolantSequences, 4310/13027 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: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: 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: 35]: 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 0.32ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.42ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.00ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.92ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.1MB in the end (delta: 702.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 389.19ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 68.4MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 32171.71ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 68.4MB in the beginning and 387.3MB in the end (delta: -318.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * Witness Printer took 84.55ms. Allocated memory is still 478.2MB. Free memory was 387.3MB in the beginning and 379.2MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:25:56,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b68873-7f0d-4e9f-a575-e040a772813e/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