./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC --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 c64519b027f84aaa6a30cfc5331268c119119293d8d39650b6d0c4f1af71d8d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:20:01,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:01,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:20:01,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:20:01,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:20:01,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:01,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:01,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:01,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:01,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:01,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:01,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:01,479 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:20:01,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:20:01,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:20:01,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:01,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:01,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:01,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:01,484 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:01,484 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:01,485 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:20:01,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:01,486 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:01,487 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:01,487 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:01,488 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:01,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:01,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:01,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:01,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:01,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:01,491 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:20:01,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:20:01,492 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:01,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c64519b027f84aaa6a30cfc5331268c119119293d8d39650b6d0c4f1af71d8d4 [2023-11-23 20:20:01,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:01,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:01,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:01,851 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:01,852 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:01,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2023-11-23 20:20:05,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:05,233 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:05,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2023-11-23 20:20:05,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC/data/79783135b/f629852d5a784ddfbe75dcf9923de40f/FLAGd89399a63 [2023-11-23 20:20:05,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC/data/79783135b/f629852d5a784ddfbe75dcf9923de40f [2023-11-23 20:20:05,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:05,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:05,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:05,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:05,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:05,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:05" (1/1) ... [2023-11-23 20:20:05,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19fcb77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:05, skipping insertion in model container [2023-11-23 20:20:05,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:05" (1/1) ... [2023-11-23 20:20:05,308 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:05,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:05,511 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:05,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:05,548 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:05,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:05 WrapperNode [2023-11-23 20:20:05,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:05,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:05,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:05,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:05,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:05" (1/1) ... [2023-11-23 20:20:05,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:05" (1/1) ... [2023-11-23 20:20:05,586 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-11-23 20:20:05,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:05,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:05,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:05,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:05,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:05" (1/1) ... [2023-11-23 20:20:05,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:05" (1/1) ... [2023-11-23 20:20:05,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:05" (1/1) ... [2023-11-23 20:20:05,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:05" (1/1) ... [2023-11-23 20:20:05,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:05" (1/1) ... [2023-11-23 20:20:05,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:05" (1/1) ... [2023-11-23 20:20:05,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:05" (1/1) ... [2023-11-23 20:20:05,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:05" (1/1) ... [2023-11-23 20:20:05,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:05,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:05,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:05,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:05,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:05" (1/1) ... [2023-11-23 20:20:05,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:05,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:05,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:05,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899f88ef-89e6-4fb2-b42c-59a5c5a44e66/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:20:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:20:05,764 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:05,767 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:05,997 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:06,043 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:06,043 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:20:06,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:06 BoogieIcfgContainer [2023-11-23 20:20:06,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:06,046 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:06,046 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:06,057 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:06,058 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:06" (1/1) ... [2023-11-23 20:20:06,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:06,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:06,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2023-11-23 20:20:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2023-11-23 20:20:06,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:20:06,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:06,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:06,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:06,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:06,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2023-11-23 20:20:06,320 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2023-11-23 20:20:06,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:20:06,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:06,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:06,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:06,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:06,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2023-11-23 20:20:06,516 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2023-11-23 20:20:06,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:20:06,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:06,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:06,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:06,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:06,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:06,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:06,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2023-11-23 20:20:06,724 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2023-11-23 20:20:06,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:20:06,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:06,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:06,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:06,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:06,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:06,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2023-11-23 20:20:06,918 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2023-11-23 20:20:06,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:06,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:06,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:06,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:06,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:06,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-23 20:20:06,980 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-23 20:20:06,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:20:06,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:06,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:07,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:07,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:07,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:07,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2023-11-23 20:20:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2023-11-23 20:20:07,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:20:07,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:07,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:07,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:07,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:07,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:07,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:07,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2023-11-23 20:20:07,619 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-23 20:20:07,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:20:07,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:07,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:07,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:07,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:08,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2023-11-23 20:20:08,102 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2023-11-23 20:20:08,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:20:08,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:20:08,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2023-11-23 20:20:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2023-11-23 20:20:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:20:08,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:08,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:08,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 90 states and 105 transitions. [2023-11-23 20:20:08,554 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-23 20:20:08,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:20:08,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:08,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:08,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2023-11-23 20:20:08,830 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2023-11-23 20:20:08,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:20:08,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:08,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:08,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:09,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:09,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 107 states and 131 transitions. [2023-11-23 20:20:09,468 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2023-11-23 20:20:09,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:20:09,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:09,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:09,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:09,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:09,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:09,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 110 states and 135 transitions. [2023-11-23 20:20:09,892 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 135 transitions. [2023-11-23 20:20:09,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:20:09,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:09,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:09,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:09,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:09,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:10,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 116 states and 148 transitions. [2023-11-23 20:20:10,564 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 148 transitions. [2023-11-23 20:20:10,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:20:10,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:10,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:10,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:10,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:11,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:11,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 123 states and 161 transitions. [2023-11-23 20:20:11,313 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 161 transitions. [2023-11-23 20:20:11,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:20:11,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:11,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:11,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:11,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:11,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:12,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 129 states and 173 transitions. [2023-11-23 20:20:12,072 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 173 transitions. [2023-11-23 20:20:12,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:20:12,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:12,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:12,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:12,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:12,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 128 states and 172 transitions. [2023-11-23 20:20:12,261 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 172 transitions. [2023-11-23 20:20:12,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:20:12,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:12,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:12,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:12,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:12,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:13,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:13,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 135 states and 184 transitions. [2023-11-23 20:20:13,096 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 184 transitions. [2023-11-23 20:20:13,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:20:13,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:13,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:13,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:13,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:13,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:13,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:13,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 141 states and 194 transitions. [2023-11-23 20:20:13,870 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 194 transitions. [2023-11-23 20:20:13,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:20:13,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:13,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:13,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:13,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:14,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:14,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 150 states and 208 transitions. [2023-11-23 20:20:14,721 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2023-11-23 20:20:14,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:20:14,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:14,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:14,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:14,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:15,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 149 states and 207 transitions. [2023-11-23 20:20:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 207 transitions. [2023-11-23 20:20:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:20:15,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:15,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:15,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:15,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:16,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 157 states and 217 transitions. [2023-11-23 20:20:16,981 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 217 transitions. [2023-11-23 20:20:16,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:20:16,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:16,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:17,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:17,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:17,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:17,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:17,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 161 states and 225 transitions. [2023-11-23 20:20:17,347 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2023-11-23 20:20:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:20:17,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:17,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:17,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:17,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:17,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:17,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 165 states and 228 transitions. [2023-11-23 20:20:17,680 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2023-11-23 20:20:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:20:17,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:17,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:17,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:17,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:18,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 170 states and 235 transitions. [2023-11-23 20:20:18,253 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2023-11-23 20:20:18,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:20:18,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:18,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:18,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:18,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:18,422 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:18,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 173 states and 238 transitions. [2023-11-23 20:20:18,833 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 238 transitions. [2023-11-23 20:20:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:20:18,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:18,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:18,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:18,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:19,036 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:19,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:19,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 175 states and 242 transitions. [2023-11-23 20:20:19,718 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2023-11-23 20:20:19,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:20:19,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:19,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:19,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:20:19,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:20,032 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 178 states and 249 transitions. [2023-11-23 20:20:20,848 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 249 transitions. [2023-11-23 20:20:20,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:20:20,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:20,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:20,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:20,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:20,942 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:21,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 192 states and 264 transitions. [2023-11-23 20:20:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 264 transitions. [2023-11-23 20:20:21,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:20:21,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:21,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:21,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:21,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:23,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:23,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 209 states and 296 transitions. [2023-11-23 20:20:23,598 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 296 transitions. [2023-11-23 20:20:23,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:20:23,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:23,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:23,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:23,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 209 states and 295 transitions. [2023-11-23 20:20:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 295 transitions. [2023-11-23 20:20:23,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:20:23,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:23,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:23,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:23,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:24,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:24,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 213 states and 304 transitions. [2023-11-23 20:20:24,530 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 304 transitions. [2023-11-23 20:20:24,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:20:24,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:24,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:24,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:24,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:24,572 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:20:25,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:25,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 218 states and 311 transitions. [2023-11-23 20:20:25,266 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 311 transitions. [2023-11-23 20:20:25,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:20:25,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:25,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:25,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:25,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 227 states and 330 transitions. [2023-11-23 20:20:26,496 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 330 transitions. [2023-11-23 20:20:26,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:20:26,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:26,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:26,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:20:26,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:27,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 233 states and 340 transitions. [2023-11-23 20:20:27,445 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 340 transitions. [2023-11-23 20:20:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:20:27,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:27,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:27,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:20:27,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:27,681 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:28,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:28,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 244 states and 359 transitions. [2023-11-23 20:20:28,890 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 359 transitions. [2023-11-23 20:20:28,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:20:28,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:28,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:28,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:20:28,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:29,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 249 states and 369 transitions. [2023-11-23 20:20:29,695 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 369 transitions. [2023-11-23 20:20:29,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:20:29,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:29,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:29,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:20:29,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:30,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:30,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 254 states and 374 transitions. [2023-11-23 20:20:30,728 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 374 transitions. [2023-11-23 20:20:30,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:20:30,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:30,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:30,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:20:30,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:31,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 259 states and 382 transitions. [2023-11-23 20:20:31,496 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 382 transitions. [2023-11-23 20:20:31,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:20:31,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:31,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:31,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:20:31,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:31,750 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:32,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:32,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 262 states and 392 transitions. [2023-11-23 20:20:32,539 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 392 transitions. [2023-11-23 20:20:32,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:20:32,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:32,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:32,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:32,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:33,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:33,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 265 states and 397 transitions. [2023-11-23 20:20:33,629 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 397 transitions. [2023-11-23 20:20:33,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:20:33,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:33,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:33,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:20:33,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:34,033 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:34,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 268 states and 402 transitions. [2023-11-23 20:20:34,819 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 402 transitions. [2023-11-23 20:20:34,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:20:34,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:34,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:34,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:34,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:35,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:35,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 278 states and 411 transitions. [2023-11-23 20:20:35,738 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 411 transitions. [2023-11-23 20:20:35,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:20:35,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:35,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:35,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:35,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:38,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 295 states and 449 transitions. [2023-11-23 20:20:38,063 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 449 transitions. [2023-11-23 20:20:38,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:20:38,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:38,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:38,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:38,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 20:20:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:38,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 295 states and 448 transitions. [2023-11-23 20:20:38,454 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 448 transitions. [2023-11-23 20:20:38,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:20:38,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:38,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:38,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:38,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:40,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:40,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 302 states and 463 transitions. [2023-11-23 20:20:40,065 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 463 transitions. [2023-11-23 20:20:40,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:20:40,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:40,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:40,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:40,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-23 20:20:41,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:41,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 307 states and 470 transitions. [2023-11-23 20:20:41,065 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 470 transitions. [2023-11-23 20:20:41,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:20:41,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:41,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:41,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:41,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:41,248 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:42,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 316 states and 490 transitions. [2023-11-23 20:20:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 490 transitions. [2023-11-23 20:20:42,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:20:42,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:42,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:42,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:20:42,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:42,900 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:44,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:44,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 325 states and 504 transitions. [2023-11-23 20:20:44,326 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 504 transitions. [2023-11-23 20:20:44,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:20:44,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:44,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:44,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:20:44,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:44,670 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:46,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 336 states and 526 transitions. [2023-11-23 20:20:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 526 transitions. [2023-11-23 20:20:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:20:46,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:46,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:46,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:20:46,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:46,499 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:47,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:47,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 341 states and 537 transitions. [2023-11-23 20:20:47,572 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 537 transitions. [2023-11-23 20:20:47,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:20:47,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:47,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:47,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:20:47,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:47,900 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 51 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:48,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:48,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 346 states and 542 transitions. [2023-11-23 20:20:48,932 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 542 transitions. [2023-11-23 20:20:48,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:20:48,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:48,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:48,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:20:48,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:49,261 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:49,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 351 states and 551 transitions. [2023-11-23 20:20:49,925 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 551 transitions. [2023-11-23 20:20:49,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:20:49,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:49,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:49,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:20:49,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:50,344 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:51,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:51,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 354 states and 566 transitions. [2023-11-23 20:20:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 566 transitions. [2023-11-23 20:20:51,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:20:51,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:51,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:51,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:20:51,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:51,807 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:52,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 357 states and 573 transitions. [2023-11-23 20:20:52,847 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 573 transitions. [2023-11-23 20:20:52,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:20:52,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:52,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:52,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:20:52,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 360 states and 579 transitions. [2023-11-23 20:20:54,388 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 579 transitions. [2023-11-23 20:20:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-23 20:20:54,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:54,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:54,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:54,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:55,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:55,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 370 states and 588 transitions. [2023-11-23 20:20:55,748 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 588 transitions. [2023-11-23 20:20:55,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:20:55,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:55,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:55,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:55,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.