./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/bresenham-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/bresenham-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68505a1040934ea3cdccf61a3fb1a3debf8c6c64330c175637d96b2737c92d5f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:12:29,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:12:29,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:12:29,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:12:29,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:12:29,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:12:29,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:12:29,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:12:29,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:12:29,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:12:29,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:12:29,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:12:29,565 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:12:29,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:12:29,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:12:29,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:12:29,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:12:29,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:12:29,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:12:29,566 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:12:29,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:12:29,566 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:12:29,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:12:29,566 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:12:29,566 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:12:29,566 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:12:29,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:12:29,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:12:29,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:12:29,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:12:29,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:12:29,567 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:12:29,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:12:29,567 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_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68505a1040934ea3cdccf61a3fb1a3debf8c6c64330c175637d96b2737c92d5f [2024-12-06 06:12:29,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:12:29,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:12:29,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:12:29,779 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:12:29,779 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:12:29,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/bresenham-ll.c [2024-12-06 06:12:32,378 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b/data/79bcaa7ff/c020e032f72b4d6ca82a149927c54651/FLAGabdcaf77d [2024-12-06 06:12:32,591 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:12:32,598 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/sv-benchmarks/c/nla-digbench/bresenham-ll.c [2024-12-06 06:12:32,611 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b/data/79bcaa7ff/c020e032f72b4d6ca82a149927c54651/FLAGabdcaf77d [2024-12-06 06:12:32,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b/data/79bcaa7ff/c020e032f72b4d6ca82a149927c54651 [2024-12-06 06:12:32,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:12:32,947 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:12:32,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:12:32,949 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:12:32,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:12:32,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:12:32" (1/1) ... [2024-12-06 06:12:32,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1121872c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:32, skipping insertion in model container [2024-12-06 06:12:32,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:12:32" (1/1) ... [2024-12-06 06:12:32,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:12:33,099 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/sv-benchmarks/c/nla-digbench/bresenham-ll.c[597,610] [2024-12-06 06:12:33,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:12:33,127 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:12:33,137 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/sv-benchmarks/c/nla-digbench/bresenham-ll.c[597,610] [2024-12-06 06:12:33,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:12:33,159 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:12:33,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:33 WrapperNode [2024-12-06 06:12:33,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:12:33,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:12:33,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:12:33,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:12:33,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:33" (1/1) ... [2024-12-06 06:12:33,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:33" (1/1) ... [2024-12-06 06:12:33,187 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2024-12-06 06:12:33,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:12:33,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:12:33,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:12:33,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:12:33,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:33" (1/1) ... [2024-12-06 06:12:33,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:33" (1/1) ... [2024-12-06 06:12:33,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:33" (1/1) ... [2024-12-06 06:12:33,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:33" (1/1) ... [2024-12-06 06:12:33,198 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:33" (1/1) ... [2024-12-06 06:12:33,198 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:33" (1/1) ... [2024-12-06 06:12:33,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:33" (1/1) ... [2024-12-06 06:12:33,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:33" (1/1) ... [2024-12-06 06:12:33,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:33" (1/1) ... [2024-12-06 06:12:33,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:12:33,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:12:33,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:12:33,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:12:33,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:33" (1/1) ... [2024-12-06 06:12:33,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:12:33,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:12:33,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:12:33,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794b968d-2a1e-4578-a8c7-f02cdd47fccc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:12:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:12:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:12:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:12:33,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:12:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 06:12:33,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 06:12:33,303 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:12:33,305 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:12:33,421 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 06:12:33,421 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:12:33,455 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:12:33,455 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 06:12:33,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:12:33 BoogieIcfgContainer [2024-12-06 06:12:33,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:12:33,457 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:12:33,457 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:12:33,467 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:12:33,468 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:12:33" (1/1) ... [2024-12-06 06:12:33,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:12:33,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:33,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-06 06:12:33,520 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-06 06:12:33,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:12:33,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:33,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:12:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:33,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 06:12:33,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:12:33,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:12:33,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:33,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-12-06 06:12:33,938 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-12-06 06:12:33,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:12:33,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:33,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:12:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:34,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 06:12:34,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:12:34,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:12:35,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2024-12-06 06:12:35,018 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2024-12-06 06:12:35,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:12:35,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:35,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:12:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:35,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 06:12:35,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:12:35,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:12:35,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:35,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-12-06 06:12:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-12-06 06:12:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 06:12:35,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:35,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:12:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:35,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 06:12:35,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:12:36,038 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 06:12:37,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:37,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2024-12-06 06:12:37,556 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2024-12-06 06:12:37,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 06:12:37,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:37,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:12:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:37,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 06:12:37,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:12:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 06:12:38,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:38,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 54 transitions. [2024-12-06 06:12:38,535 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 54 transitions. [2024-12-06 06:12:38,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 06:12:38,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:38,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:12:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:38,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 06:12:38,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:12:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 06:12:40,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:40,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 59 transitions. [2024-12-06 06:12:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 59 transitions. [2024-12-06 06:12:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 06:12:40,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:40,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:12:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:40,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 06:12:40,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:12:41,218 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 06:12:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:43,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 75 transitions. [2024-12-06 06:12:43,626 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 75 transitions. [2024-12-06 06:12:43,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 06:12:43,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:43,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:12:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:43,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 06:12:43,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:12:44,410 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 06:12:46,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:46,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 39 states and 79 transitions. [2024-12-06 06:12:46,330 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 79 transitions. [2024-12-06 06:12:46,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 06:12:46,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:46,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:12:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:46,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 06:12:46,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:12:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 06:12:47,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:47,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 40 states and 81 transitions. [2024-12-06 06:12:47,227 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 81 transitions. [2024-12-06 06:12:47,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 06:12:47,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:47,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:12:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:47,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 06:12:47,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:12:49,016 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 06:12:53,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:53,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 44 states and 97 transitions. [2024-12-06 06:12:53,110 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 97 transitions. [2024-12-06 06:12:53,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 06:12:53,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:53,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:12:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:53,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 06:12:53,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:12:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 06:12:56,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:56,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 45 states and 97 transitions. [2024-12-06 06:12:56,650 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 97 transitions. [2024-12-06 06:12:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 06:12:56,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:56,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:12:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:56,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 06:12:56,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:12:58,018 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 06:13:00,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:13:00,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 47 states and 101 transitions. [2024-12-06 06:13:00,137 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 101 transitions. [2024-12-06 06:13:00,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 06:13:00,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:13:00,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:13:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:13:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:00,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-06 06:13:00,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:13:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 20 proven. 38 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 06:13:05,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:13:05,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 50 states and 108 transitions. [2024-12-06 06:13:05,811 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 108 transitions. [2024-12-06 06:13:05,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 06:13:05,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:13:05,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:13:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:13:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:05,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 06:13:05,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:13:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 06:13:15,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:13:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 53 states and 119 transitions. [2024-12-06 06:13:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 119 transitions. [2024-12-06 06:13:15,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 06:13:15,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:13:15,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:13:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:13:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:15,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-06 06:13:15,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:13:18,625 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 22 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 06:13:20,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:13:20,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 54 states and 122 transitions. [2024-12-06 06:13:20,225 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2024-12-06 06:13:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 06:13:20,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:13:20,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:13:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:13:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:20,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-06 06:13:20,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:13:24,056 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 23 proven. 58 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 06:13:28,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:13:28,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 57 states and 129 transitions. [2024-12-06 06:13:28,585 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 129 transitions. [2024-12-06 06:13:28,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 06:13:28,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:13:28,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:13:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:13:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:28,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 06:13:28,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:13:33,038 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 31 proven. 62 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 06:13:41,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:13:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 60 states and 139 transitions. [2024-12-06 06:13:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 139 transitions. [2024-12-06 06:13:41,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 06:13:41,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:13:41,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:13:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:13:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:41,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 06:13:41,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:13:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-06 06:13:56,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:13:56,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 64 states and 158 transitions. [2024-12-06 06:13:56,751 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 158 transitions. [2024-12-06 06:13:56,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 06:13:56,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:13:56,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:13:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:13:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:56,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-06 06:13:56,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:14:01,700 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 32 proven. 81 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-06 06:14:08,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 66 states and 155 transitions. [2024-12-06 06:14:08,830 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 155 transitions. [2024-12-06 06:14:08,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-06 06:14:08,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:08,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:14:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:09,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-06 06:14:09,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:14:16,220 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 24 proven. 113 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-06 06:14:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:28,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 70 states and 175 transitions. [2024-12-06 06:14:28,709 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 175 transitions. [2024-12-06 06:14:28,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-06 06:14:28,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:28,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:14:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:28,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-12-06 06:14:28,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:14:36,020 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 44 proven. 101 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-06 06:14:45,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 72 states and 171 transitions. [2024-12-06 06:14:45,838 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 171 transitions. [2024-12-06 06:14:45,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-06 06:14:45,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:45,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:14:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:14:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:46,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-12-06 06:14:46,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:14:59,142 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 52 proven. 134 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-06 06:15:14,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:14,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 75 states and 178 transitions. [2024-12-06 06:15:14,736 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 178 transitions. [2024-12-06 06:15:14,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-06 06:15:14,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:14,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:15:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:15:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:15,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-06 06:15:15,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 20 proven. 148 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 06:15:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:39,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 78 states and 188 transitions. [2024-12-06 06:15:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 188 transitions. [2024-12-06 06:15:39,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 06:15:39,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:39,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:15:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:15:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:40,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-12-06 06:15:40,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:55,745 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 43 proven. 175 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-12-06 06:16:10,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:10,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 81 states and 195 transitions. [2024-12-06 06:16:10,610 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 195 transitions. [2024-12-06 06:16:10,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-06 06:16:10,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:10,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:16:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:16:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:11,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 06:16:11,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:22,676 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 20 proven. 155 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-06 06:16:42,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:42,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 84 states and 205 transitions. [2024-12-06 06:16:42,578 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 205 transitions. [2024-12-06 06:16:42,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-06 06:16:42,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:42,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:16:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:16:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:42,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-12-06 06:16:42,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:17:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 80 proven. 197 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-12-06 06:17:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:17:21,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 87 states and 212 transitions. [2024-12-06 06:17:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 212 transitions. [2024-12-06 06:17:21,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-06 06:17:21,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:17:21,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:17:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:17:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:17:21,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-12-06 06:17:21,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:17:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 42 proven. 197 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-06 06:18:10,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:10,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 90 states and 222 transitions. [2024-12-06 06:18:10,656 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 222 transitions. [2024-12-06 06:18:10,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-06 06:18:10,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:10,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:10,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 107 conjuncts are in the unsatisfiable core [2024-12-06 06:18:10,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:18:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 68 proven. 259 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-12-06 06:18:52,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:52,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 93 states and 229 transitions. [2024-12-06 06:18:52,484 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 229 transitions. [2024-12-06 06:18:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-06 06:18:52,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:52,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:18:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:53,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-12-06 06:18:53,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:19:16,337 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 72 proven. 255 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-12-06 06:20:02,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:20:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 96 states and 239 transitions. [2024-12-06 06:20:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 239 transitions. [2024-12-06 06:20:02,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-06 06:20:02,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:20:02,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:20:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:20:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:03,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-12-06 06:20:03,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:20:37,213 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 63 proven. 289 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-12-06 06:21:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:21:35,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 100 states and 264 transitions. [2024-12-06 06:21:35,476 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 264 transitions. [2024-12-06 06:21:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-06 06:21:35,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:21:35,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:21:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:21:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:36,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-12-06 06:21:36,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:22:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 114 proven. 292 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-06 06:22:35,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:22:35,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 100 states and 251 transitions. [2024-12-06 06:22:35,371 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 251 transitions. [2024-12-06 06:22:35,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-06 06:22:35,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:22:35,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:22:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:22:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:22:35,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-12-06 06:22:35,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:23:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 86 proven. 300 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 06:23:32,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:23:32,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 102 states and 255 transitions. [2024-12-06 06:23:32,420 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 255 transitions. [2024-12-06 06:23:32,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-06 06:23:32,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:23:32,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:23:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:23:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:23:33,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-12-06 06:23:33,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:24:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 60 proven. 308 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-06 06:24:54,147 WARN L286 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 723 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:25:08,035 WARN L286 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 734 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:25:20,031 WARN L286 SmtUtils]: Spent 5.66s on a formula simplification that was a NOOP. DAG size: 735 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:25:20,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:25:20,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 106 states and 281 transitions. [2024-12-06 06:25:20,843 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 281 transitions. [2024-12-06 06:25:20,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-06 06:25:20,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:25:20,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:25:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:25:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:25:21,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 116 conjuncts are in the unsatisfiable core [2024-12-06 06:25:21,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:26:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 114 proven. 334 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-12-06 06:26:40,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:26:40,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 108 states and 271 transitions. [2024-12-06 06:26:40,311 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 271 transitions. [2024-12-06 06:26:40,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 06:26:40,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:26:40,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:26:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:26:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:26:40,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-12-06 06:26:40,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:27:21,871 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 87 proven. 420 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked.