./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/bresenham-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e26290-e559-401a-b2c7-a3379f5a009a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e26290-e559-401a-b2c7-a3379f5a009a/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e26290-e559-401a-b2c7-a3379f5a009a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e26290-e559-401a-b2c7-a3379f5a009a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/bresenham-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e26290-e559-401a-b2c7-a3379f5a009a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e26290-e559-401a-b2c7-a3379f5a009a/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68505a1040934ea3cdccf61a3fb1a3debf8c6c64330c175637d96b2737c92d5f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:00:25,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:00:26,026 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e26290-e559-401a-b2c7-a3379f5a009a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 22:00:26,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:00:26,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:00:26,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:00:26,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:00:26,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:00:26,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:00:26,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:00:26,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:00:26,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:00:26,077 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:00:26,077 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:00:26,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:00:26,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:00:26,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:00:26,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:00:26,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:00:26,079 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:00:26,079 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:00:26,079 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:00:26,079 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:00:26,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:00:26,079 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:00:26,080 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:00:26,080 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:00:26,080 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:00:26,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:00:26,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:00:26,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:00:26,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:00:26,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:00:26,082 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:00:26,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:00:26,082 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_d2e26290-e559-401a-b2c7-a3379f5a009a/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68505a1040934ea3cdccf61a3fb1a3debf8c6c64330c175637d96b2737c92d5f [2024-11-13 22:00:26,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:00:26,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:00:26,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:00:26,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:00:26,482 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:00:26,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e26290-e559-401a-b2c7-a3379f5a009a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench/bresenham-ll.c Unable to find full path for "g++" [2024-11-13 22:00:28,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:00:28,837 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:00:28,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e26290-e559-401a-b2c7-a3379f5a009a/sv-benchmarks/c/nla-digbench/bresenham-ll.c [2024-11-13 22:00:28,848 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e26290-e559-401a-b2c7-a3379f5a009a/bin/ukojak-verify-EEHR8qb7sm/data/8402f4ded/48752ae571cc42689700379cd4e89f71/FLAGcc3597e91 [2024-11-13 22:00:28,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e26290-e559-401a-b2c7-a3379f5a009a/bin/ukojak-verify-EEHR8qb7sm/data/8402f4ded/48752ae571cc42689700379cd4e89f71 [2024-11-13 22:00:28,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:00:28,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:00:28,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:00:28,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:00:28,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:00:28,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6e1601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:28, skipping insertion in model container [2024-11-13 22:00:28,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,898 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:00:29,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:00:29,102 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:00:29,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:00:29,144 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:00:29,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:29 WrapperNode [2024-11-13 22:00:29,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:00:29,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:00:29,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:00:29,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:00:29,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:29" (1/1) ... [2024-11-13 22:00:29,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:29" (1/1) ... [2024-11-13 22:00:29,198 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2024-11-13 22:00:29,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:00:29,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:00:29,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:00:29,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:00:29,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:29" (1/1) ... [2024-11-13 22:00:29,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:29" (1/1) ... [2024-11-13 22:00:29,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:29" (1/1) ... [2024-11-13 22:00:29,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:29" (1/1) ... [2024-11-13 22:00:29,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:29" (1/1) ... [2024-11-13 22:00:29,229 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:29" (1/1) ... [2024-11-13 22:00:29,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:29" (1/1) ... [2024-11-13 22:00:29,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:29" (1/1) ... [2024-11-13 22:00:29,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:00:29,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:00:29,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:00:29,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:00:29,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:29" (1/1) ... [2024-11-13 22:00:29,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:00:29,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e26290-e559-401a-b2c7-a3379f5a009a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:00:29,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e26290-e559-401a-b2c7-a3379f5a009a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:00:29,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e26290-e559-401a-b2c7-a3379f5a009a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:00:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:00:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:00:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:00:29,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:00:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:00:29,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:00:29,429 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:00:29,433 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:00:30,027 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-11-13 22:00:30,027 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:00:30,068 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:00:30,068 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:00:30,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:30 BoogieIcfgContainer [2024-11-13 22:00:30,069 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:00:30,070 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:00:30,070 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:00:30,082 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:00:30,082 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:30" (1/1) ... [2024-11-13 22:00:30,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:00:30,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:30,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 127 states and 130 transitions. [2024-11-13 22:00:30,150 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 130 transitions. [2024-11-13 22:00:30,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 22:00:30,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:30,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:30,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:30,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 126 states and 129 transitions. [2024-11-13 22:00:30,388 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 129 transitions. [2024-11-13 22:00:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:00:30,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:30,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:30,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:30,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 125 states and 128 transitions. [2024-11-13 22:00:30,559 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 128 transitions. [2024-11-13 22:00:30,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:00:30,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:30,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:30,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:30,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 124 states and 127 transitions. [2024-11-13 22:00:30,948 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 127 transitions. [2024-11-13 22:00:30,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:00:30,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:30,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:31,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:31,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 123 states and 126 transitions. [2024-11-13 22:00:31,456 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 126 transitions. [2024-11-13 22:00:31,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:00:31,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:31,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:00:31,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:31,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 125 states and 128 transitions. [2024-11-13 22:00:31,616 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 128 transitions. [2024-11-13 22:00:31,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:00:31,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:31,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:00:31,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:31,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 126 states and 129 transitions. [2024-11-13 22:00:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 129 transitions. [2024-11-13 22:00:31,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:00:31,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:31,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:00:31,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:31,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:31,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 130 states and 135 transitions. [2024-11-13 22:00:31,992 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2024-11-13 22:00:31,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:00:31,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:31,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:00:32,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:32,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 131 states and 136 transitions. [2024-11-13 22:00:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2024-11-13 22:00:32,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:00:32,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:32,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:00:32,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:32,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:32,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:32,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 134 states and 141 transitions. [2024-11-13 22:00:32,445 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 141 transitions. [2024-11-13 22:00:32,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:00:32,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:32,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:00:32,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:32,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:32,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 138 states and 147 transitions. [2024-11-13 22:00:32,951 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 147 transitions. [2024-11-13 22:00:32,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:00:32,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:32,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:00:33,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:33,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:33,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 141 states and 153 transitions. [2024-11-13 22:00:33,516 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 153 transitions. [2024-11-13 22:00:33,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:00:33,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:33,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:00:33,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:33,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:34,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:34,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 145 states and 160 transitions. [2024-11-13 22:00:34,224 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 160 transitions. [2024-11-13 22:00:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:00:34,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:34,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:00:34,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:34,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:34,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 149 states and 165 transitions. [2024-11-13 22:00:34,838 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 165 transitions. [2024-11-13 22:00:34,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:00:34,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:34,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:00:34,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:35,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 153 states and 170 transitions. [2024-11-13 22:00:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 170 transitions. [2024-11-13 22:00:35,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:00:35,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:35,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:35,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:00:35,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:35,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:37,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:37,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 165 states and 185 transitions. [2024-11-13 22:00:37,705 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 185 transitions. [2024-11-13 22:00:37,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:00:37,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:37,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:37,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:00:37,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:38,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:40,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:40,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 178 states and 201 transitions. [2024-11-13 22:00:40,647 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 201 transitions. [2024-11-13 22:00:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:00:40,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:40,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:42,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 192 states and 219 transitions. [2024-11-13 22:00:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 219 transitions. [2024-11-13 22:00:42,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:00:42,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:42,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:43,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 207 states and 238 transitions. [2024-11-13 22:00:43,811 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 238 transitions. [2024-11-13 22:00:43,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:00:43,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:43,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:43,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:00:43,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:45,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:45,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 211 states and 244 transitions. [2024-11-13 22:00:45,262 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 244 transitions. [2024-11-13 22:00:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:00:45,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:45,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:45,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:00:45,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:45,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:46,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:46,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 215 states and 249 transitions. [2024-11-13 22:00:46,434 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 249 transitions. [2024-11-13 22:00:46,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:00:46,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:46,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:46,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:48,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 233 states and 272 transitions. [2024-11-13 22:00:48,749 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 272 transitions. [2024-11-13 22:00:48,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:00:48,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:48,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:49,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:52,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 252 states and 297 transitions. [2024-11-13 22:00:52,046 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 297 transitions. [2024-11-13 22:00:52,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 22:00:52,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:52,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:52,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:00:52,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:52,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:54,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:54,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 269 states and 321 transitions. [2024-11-13 22:00:54,900 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 321 transitions. [2024-11-13 22:00:54,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:00:54,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:54,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:54,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:00:54,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:54,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:55,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:55,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 270 states and 322 transitions. [2024-11-13 22:00:55,018 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 322 transitions. [2024-11-13 22:00:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:00:55,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:55,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 277 states and 336 transitions. [2024-11-13 22:00:57,020 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 336 transitions. [2024-11-13 22:00:57,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:00:57,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:57,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:57,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:59,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:59,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 284 states and 351 transitions. [2024-11-13 22:00:59,158 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 351 transitions. [2024-11-13 22:00:59,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:00:59,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:59,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:59,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:04,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:04,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 298 states and 374 transitions. [2024-11-13 22:01:04,603 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 374 transitions. [2024-11-13 22:01:04,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:01:04,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:04,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:07,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:07,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 305 states and 389 transitions. [2024-11-13 22:01:07,203 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 389 transitions. [2024-11-13 22:01:07,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:01:07,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:07,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:07,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:09,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:09,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 312 states and 405 transitions. [2024-11-13 22:01:09,273 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 405 transitions. [2024-11-13 22:01:09,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:09,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:09,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:10,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:21,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 327 states and 431 transitions. [2024-11-13 22:01:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 431 transitions. [2024-11-13 22:01:21,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:21,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:21,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:21,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:21,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:21,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 329 states and 433 transitions. [2024-11-13 22:01:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 433 transitions. [2024-11-13 22:01:21,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:01:21,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:21,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:28,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:28,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 343 states and 460 transitions. [2024-11-13 22:01:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 460 transitions. [2024-11-13 22:01:28,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:01:28,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:28,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:45,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:45,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 359 states and 487 transitions. [2024-11-13 22:01:45,831 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 487 transitions. [2024-11-13 22:01:45,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:01:45,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:45,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:45,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:45,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 361 states and 489 transitions. [2024-11-13 22:01:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 489 transitions. [2024-11-13 22:01:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:01:45,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:45,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:46,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:48,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:48,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 364 states and 494 transitions. [2024-11-13 22:01:48,203 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 494 transitions. [2024-11-13 22:01:48,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:01:48,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:48,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:49,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:11,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:11,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 381 states and 523 transitions. [2024-11-13 22:02:11,817 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 523 transitions. [2024-11-13 22:02:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:02:11,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:11,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:12,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:13,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:13,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 383 states and 527 transitions. [2024-11-13 22:02:13,776 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 527 transitions. [2024-11-13 22:02:13,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:02:13,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:13,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:13,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:02:13,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:13,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:17,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:17,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 388 states and 533 transitions. [2024-11-13 22:02:17,029 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 533 transitions. [2024-11-13 22:02:17,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:02:17,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:17,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:17,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 413 states and 576 transitions. [2024-11-13 22:02:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 576 transitions. [2024-11-13 22:02:31,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:02:31,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:31,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:35,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 420 states and 594 transitions. [2024-11-13 22:02:35,854 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 594 transitions. [2024-11-13 22:02:35,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:02:35,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:35,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:35,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:02:35,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:35,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:38,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 426 states and 601 transitions. [2024-11-13 22:02:38,928 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 601 transitions. [2024-11-13 22:02:38,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:02:38,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:38,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:39,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:43,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:43,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 434 states and 617 transitions. [2024-11-13 22:02:43,468 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 617 transitions. [2024-11-13 22:02:43,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:02:43,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:43,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:43,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 435 states and 618 transitions. [2024-11-13 22:02:43,602 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 618 transitions. [2024-11-13 22:02:43,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 22:02:43,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:43,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:43,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:02:43,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:44,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:47,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:47,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 444 states and 636 transitions. [2024-11-13 22:02:47,024 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 636 transitions. [2024-11-13 22:02:47,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 22:02:47,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:47,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:47,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:47,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:47,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 445 states and 638 transitions. [2024-11-13 22:02:47,133 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 638 transitions. [2024-11-13 22:02:47,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:02:47,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:47,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:47,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:02:47,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:49,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 448 states and 643 transitions. [2024-11-13 22:02:49,278 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 643 transitions. [2024-11-13 22:02:49,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:02:49,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:49,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:49,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:02:49,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:50,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:53,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:53,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 456 states and 655 transitions. [2024-11-13 22:02:53,156 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 655 transitions. [2024-11-13 22:02:53,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:02:53,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:53,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:53,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:58,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:58,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 465 states and 670 transitions. [2024-11-13 22:02:58,404 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 670 transitions. [2024-11-13 22:02:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:02:58,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:58,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:03,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:03,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 473 states and 683 transitions. [2024-11-13 22:03:03,341 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 683 transitions. [2024-11-13 22:03:03,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:03:03,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:03,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:03,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:03:03,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:04,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:08,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:08,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 481 states and 703 transitions. [2024-11-13 22:03:08,070 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 703 transitions. [2024-11-13 22:03:08,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 22:03:08,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:08,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:03:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:08,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:03:08,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:17,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:17,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 497 states and 733 transitions. [2024-11-13 22:03:17,157 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 733 transitions. [2024-11-13 22:03:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 22:03:17,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:17,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:17,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:28,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:28,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 508 states and 754 transitions. [2024-11-13 22:03:28,661 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 754 transitions. [2024-11-13 22:03:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:03:28,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:28,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:28,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:03:33,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:33,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 521 states and 773 transitions. [2024-11-13 22:03:33,754 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 773 transitions. [2024-11-13 22:03:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:03:33,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:33,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:35,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:05,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:05,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 533 states and 795 transitions. [2024-11-13 22:04:05,711 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 795 transitions. [2024-11-13 22:04:05,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:04:05,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:05,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:12,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 547 states and 815 transitions. [2024-11-13 22:04:12,364 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 815 transitions. [2024-11-13 22:04:12,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:04:12,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:12,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:04:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:12,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:04:12,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:15,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:36,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 569 states and 853 transitions. [2024-11-13 22:04:36,320 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 853 transitions. [2024-11-13 22:04:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:04:36,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:36,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:04:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:04:36,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:40,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 573 states and 862 transitions. [2024-11-13 22:04:40,687 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 862 transitions. [2024-11-13 22:04:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:04:40,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:40,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:04:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:04:40,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:45,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 575 states and 864 transitions. [2024-11-13 22:04:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 864 transitions. [2024-11-13 22:04:45,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:04:45,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:45,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:04:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:45,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:04:45,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:04:54,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:54,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 582 states and 873 transitions. [2024-11-13 22:04:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 873 transitions. [2024-11-13 22:04:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:04:54,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:54,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:04:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:04:54,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:57,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:08,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:08,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 591 states and 896 transitions. [2024-11-13 22:05:08,208 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 896 transitions. [2024-11-13 22:05:08,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:05:08,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:08,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:05:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:08,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:05:08,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:09,057 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:11,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:11,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 595 states and 904 transitions. [2024-11-13 22:05:11,678 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 904 transitions. [2024-11-13 22:05:11,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:05:11,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:11,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:05:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:11,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:05:11,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:11,869 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:17,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:17,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 597 states and 906 transitions. [2024-11-13 22:05:17,445 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 906 transitions. [2024-11-13 22:05:17,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 22:05:17,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:17,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:05:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:17,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:05:17,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:18,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:20,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 601 states and 911 transitions. [2024-11-13 22:05:20,679 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 911 transitions. [2024-11-13 22:05:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 22:05:20,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:20,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:05:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:20,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:05:20,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:05:33,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 609 states and 922 transitions. [2024-11-13 22:05:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 922 transitions. [2024-11-13 22:05:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 22:05:33,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:33,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:22,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:22,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 624 states and 954 transitions. [2024-11-13 22:06:22,619 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 954 transitions. [2024-11-13 22:06:22,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 22:06:22,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:22,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:25,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:25,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 626 states and 955 transitions. [2024-11-13 22:06:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 955 transitions. [2024-11-13 22:06:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 22:06:25,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:25,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:27,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 627 states and 955 transitions. [2024-11-13 22:06:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 955 transitions. [2024-11-13 22:06:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:06:27,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:27,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:33,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 644 states and 976 transitions. [2024-11-13 22:06:33,552 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 976 transitions. [2024-11-13 22:06:33,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:06:33,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:33,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:06:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:33,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:06:33,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:35,179 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:06:51,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 658 states and 1000 transitions. [2024-11-13 22:06:51,886 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1000 transitions. [2024-11-13 22:06:51,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:06:51,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:51,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:06:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:07:49,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:49,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 674 states and 1033 transitions. [2024-11-13 22:07:49,129 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1033 transitions. [2024-11-13 22:07:49,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:07:49,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:49,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:07:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:49,225 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:07:51,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:51,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 676 states and 1034 transitions. [2024-11-13 22:07:51,860 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1034 transitions. [2024-11-13 22:07:51,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:07:51,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:51,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:07:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:07:54,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:54,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 677 states and 1034 transitions. [2024-11-13 22:07:54,808 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1034 transitions. [2024-11-13 22:07:54,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:07:54,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:54,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:07:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:08:11,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:11,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 705 states and 1071 transitions. [2024-11-13 22:08:11,596 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1071 transitions. [2024-11-13 22:08:11,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:08:11,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:11,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:08:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:11,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:08:11,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:08:23,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:23,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 716 states and 1089 transitions. [2024-11-13 22:08:23,327 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1089 transitions. [2024-11-13 22:08:23,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:08:23,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:23,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:08:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:23,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:08:23,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:23,403 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:08:31,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:31,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 720 states and 1094 transitions. [2024-11-13 22:08:31,540 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1094 transitions. [2024-11-13 22:08:31,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:08:31,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:31,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:08:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:31,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:08:31,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:31,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:08:35,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:35,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 721 states and 1094 transitions. [2024-11-13 22:08:35,509 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1094 transitions. [2024-11-13 22:08:35,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:08:35,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:35,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:08:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:35,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:08:35,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:08:37,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 719 states and 1091 transitions. [2024-11-13 22:08:37,328 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1091 transitions. [2024-11-13 22:08:37,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:08:37,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:37,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:37,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:08:45,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:45,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 736 states and 1114 transitions. [2024-11-13 22:08:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1114 transitions. [2024-11-13 22:08:45,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:08:45,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:45,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:08:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:45,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:08:45,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:45,177 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:08:50,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 740 states and 1120 transitions. [2024-11-13 22:08:50,836 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1120 transitions. [2024-11-13 22:08:50,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:08:50,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:50,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:08:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:50,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:08:50,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:08:56,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 744 states and 1123 transitions. [2024-11-13 22:08:56,235 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1123 transitions. [2024-11-13 22:08:56,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:08:56,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:56,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:56,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:08:56,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:56,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 745 states and 1124 transitions. [2024-11-13 22:08:56,325 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1124 transitions. [2024-11-13 22:08:56,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:08:56,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:56,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:08:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:56,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:08:56,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:08:59,357 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:09:14,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:14,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 757 states and 1146 transitions. [2024-11-13 22:09:14,521 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1146 transitions. [2024-11-13 22:09:14,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:09:14,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:14,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:09:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:09:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:14,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:09:14,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:14,869 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:09:20,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:20,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 764 states and 1154 transitions. [2024-11-13 22:09:20,490 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1154 transitions. [2024-11-13 22:09:20,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:09:20,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:20,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:09:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:09:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:20,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:09:20,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:21,233 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:09:28,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 772 states and 1163 transitions. [2024-11-13 22:09:28,751 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1163 transitions. [2024-11-13 22:09:28,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 22:09:28,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:28,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:09:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:29,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:09:32,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:32,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 773 states and 1164 transitions. [2024-11-13 22:09:32,229 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1164 transitions. [2024-11-13 22:09:32,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 22:09:32,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:32,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:09:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:33,992 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:09:47,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 785 states and 1192 transitions. [2024-11-13 22:09:47,172 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1192 transitions. [2024-11-13 22:09:47,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 22:09:47,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:47,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:09:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:47,494 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:09:53,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 794 states and 1204 transitions. [2024-11-13 22:09:53,641 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1204 transitions. [2024-11-13 22:09:53,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 22:09:53,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:53,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:09:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:53,989 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:10:00,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:00,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 802 states and 1214 transitions. [2024-11-13 22:10:00,883 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1214 transitions. [2024-11-13 22:10:00,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:10:00,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:00,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:10:03,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 806 states and 1218 transitions. [2024-11-13 22:10:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1218 transitions. [2024-11-13 22:10:03,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:10:03,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:03,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:10:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:03,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:10:03,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:10:24,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 817 states and 1236 transitions. [2024-11-13 22:10:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1236 transitions. [2024-11-13 22:10:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:10:24,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:24,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:10:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:24,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:10:24,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:38,242 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:07,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:07,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 834 states and 1271 transitions. [2024-11-13 22:11:07,880 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1271 transitions. [2024-11-13 22:11:07,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:11:07,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:07,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:07,916 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 22:11:15,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:15,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 841 states and 1281 transitions. [2024-11-13 22:11:15,911 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1281 transitions. [2024-11-13 22:11:15,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:11:15,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:15,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:15,937 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 22:11:18,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:18,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 842 states and 1283 transitions. [2024-11-13 22:11:18,724 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1283 transitions. [2024-11-13 22:11:18,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:11:18,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:18,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:18,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 22:11:27,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 849 states and 1295 transitions. [2024-11-13 22:11:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1295 transitions. [2024-11-13 22:11:27,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 22:11:27,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:27,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:27,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:11:27,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:27,887 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:11:42,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:42,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 857 states and 1313 transitions. [2024-11-13 22:11:42,046 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1313 transitions. [2024-11-13 22:11:42,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 22:11:42,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:42,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:11:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 865 states and 1329 transitions. [2024-11-13 22:11:54,586 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1329 transitions. [2024-11-13 22:11:54,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 22:11:54,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:54,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:54,610 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:12:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 874 states and 1341 transitions. [2024-11-13 22:12:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1341 transitions. [2024-11-13 22:12:01,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 22:12:01,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:01,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:01,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:12:01,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:31,952 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.