./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/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_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/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_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/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 2c82dcc3d917c20926ea634368e9542e23b7ae4e7817b33542bbba01403d748d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:05:15,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:05:16,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:05:16,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:05:16,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:05:16,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:05:16,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:05:16,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:05:16,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:05:16,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:05:16,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:05:16,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:05:16,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:05:16,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:05:16,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:05:16,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:05:16,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:05:16,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:05:16,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:05:16,074 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:05:16,075 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:05:16,080 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:05:16,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:05:16,081 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:05:16,082 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:05:16,082 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:05:16,083 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:05:16,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:05:16,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:16,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:05:16,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:05:16,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:05:16,086 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:05:16,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:05:16,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:05:16,087 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_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c82dcc3d917c20926ea634368e9542e23b7ae4e7817b33542bbba01403d748d [2023-11-23 20:05:16,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:05:16,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:05:16,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:05:16,471 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:05:16,473 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:05:16,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c [2023-11-23 20:05:19,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:05:19,985 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:05:19,986 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c [2023-11-23 20:05:19,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/bin/ukojak-verify-1t5iHCbJaC/data/7d6224f6b/bd13827b57e146a484cb564875be5b06/FLAGd5719a672 [2023-11-23 20:05:20,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/bin/ukojak-verify-1t5iHCbJaC/data/7d6224f6b/bd13827b57e146a484cb564875be5b06 [2023-11-23 20:05:20,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:05:20,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:05:20,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:20,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:05:20,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:05:20,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:20" (1/1) ... [2023-11-23 20:05:20,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60432576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:20, skipping insertion in model container [2023-11-23 20:05:20,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:20" (1/1) ... [2023-11-23 20:05:20,063 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:05:20,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:20,285 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:05:20,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:20,314 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:05:20,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:20 WrapperNode [2023-11-23 20:05:20,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:20,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:20,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:05:20,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:05:20,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:20" (1/1) ... [2023-11-23 20:05:20,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:20" (1/1) ... [2023-11-23 20:05:20,346 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-11-23 20:05:20,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:20,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:05:20,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:05:20,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:05:20,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:20" (1/1) ... [2023-11-23 20:05:20,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:20" (1/1) ... [2023-11-23 20:05:20,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:20" (1/1) ... [2023-11-23 20:05:20,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:20" (1/1) ... [2023-11-23 20:05:20,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:20" (1/1) ... [2023-11-23 20:05:20,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:20" (1/1) ... [2023-11-23 20:05:20,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:20" (1/1) ... [2023-11-23 20:05:20,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:20" (1/1) ... [2023-11-23 20:05:20,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:05:20,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:05:20,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:05:20,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:05:20,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:20" (1/1) ... [2023-11-23 20:05:20,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:20,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:05:20,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:05:20,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b800ed-d9ae-47d9-9f7a-47995ba87dd0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:05:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:05:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:05:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:05:20,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:05:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:05:20,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:05:20,519 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:05:20,521 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:05:20,715 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:05:20,771 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:05:20,771 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:05:20,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:20 BoogieIcfgContainer [2023-11-23 20:05:20,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:05:20,781 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:05:20,781 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:05:20,791 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:05:20,792 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:20" (1/1) ... [2023-11-23 20:05:20,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:05:20,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2023-11-23 20:05:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-23 20:05:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:05:20,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:20,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:20,986 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 20:05:21,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-11-23 20:05:21,006 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-23 20:05:21,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:05:21,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:21,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:21,081 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 20:05:21,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2023-11-23 20:05:21,116 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-11-23 20:05:21,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:05:21,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:05:21,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:21,167 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 20:05:21,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-23 20:05:21,179 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-23 20:05:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:05:21,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:21,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:21,257 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 20:05:21,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-11-23 20:05:21,297 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-23 20:05:21,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:05:21,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:21,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:21,417 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 20:05:21,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 32 transitions. [2023-11-23 20:05:21,541 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-23 20:05:21,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:05:21,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:21,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:21,602 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 20:05:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 38 transitions. [2023-11-23 20:05:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2023-11-23 20:05:21,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:05:21,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:05:21,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:21,846 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 20:05:21,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 42 transitions. [2023-11-23 20:05:21,930 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2023-11-23 20:05:21,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:05:21,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:21,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:22,005 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:05:22,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:22,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 48 transitions. [2023-11-23 20:05:22,136 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-11-23 20:05:22,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:05:22,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:22,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:22,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:22,223 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 20:05:22,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:22,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 51 transitions. [2023-11-23 20:05:22,316 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-11-23 20:05:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:05:22,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:22,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:22,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:22,410 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:22,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 57 transitions. [2023-11-23 20:05:22,586 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-23 20:05:22,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:05:22,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:22,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:05:22,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:22,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:22,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 60 transitions. [2023-11-23 20:05:22,852 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2023-11-23 20:05:22,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:05:22,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:22,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:05:22,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:22,975 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:23,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:23,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 66 transitions. [2023-11-23 20:05:23,180 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2023-11-23 20:05:23,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:05:23,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:23,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:23,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:05:23,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:23,305 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:23,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 69 transitions. [2023-11-23 20:05:23,447 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2023-11-23 20:05:23,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:05:23,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:23,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:23,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:05:23,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:05:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 75 transitions. [2023-11-23 20:05:23,863 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2023-11-23 20:05:23,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:05:23,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:23,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:23,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:05:23,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:05:24,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:24,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 78 transitions. [2023-11-23 20:05:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-11-23 20:05:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:05:24,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:24,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:24,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:24,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:24,427 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:05:24,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:24,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 67 states and 84 transitions. [2023-11-23 20:05:24,690 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-11-23 20:05:24,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:05:24,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:24,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:24,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:05:24,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:24,870 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:05:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 70 states and 87 transitions. [2023-11-23 20:05:25,033 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2023-11-23 20:05:25,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:05:25,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:25,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:25,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:05:25,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:25,207 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 20:05:25,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:25,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 74 states and 93 transitions. [2023-11-23 20:05:25,519 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2023-11-23 20:05:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:05:25,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:25,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:25,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:05:25,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 20:05:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 77 states and 96 transitions. [2023-11-23 20:05:25,890 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-23 20:05:25,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:05:25,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:25,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:25,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:05:25,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:26,084 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:05:26,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:26,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 81 states and 102 transitions. [2023-11-23 20:05:26,412 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2023-11-23 20:05:26,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:05:26,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:26,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:26,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:05:26,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:05:26,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:26,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 84 states and 105 transitions. [2023-11-23 20:05:26,824 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-11-23 20:05:26,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 20:05:26,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:26,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:26,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:05:26,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:05:27,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:27,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 88 states and 111 transitions. [2023-11-23 20:05:27,360 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2023-11-23 20:05:27,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-23 20:05:27,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:27,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:27,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:05:27,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:27,573 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 279 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:05:27,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:27,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 91 states and 114 transitions. [2023-11-23 20:05:27,785 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 114 transitions. [2023-11-23 20:05:27,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:05:27,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:27,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:27,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:05:27,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:28,006 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-23 20:05:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 120 transitions. [2023-11-23 20:05:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 120 transitions. [2023-11-23 20:05:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-23 20:05:28,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 20:05:28,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-23 20:05:28,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 123 transitions. [2023-11-23 20:05:28,814 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2023-11-23 20:05:28,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 20:05:28,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:05:28,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-23 20:05:29,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:29,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 102 states and 129 transitions. [2023-11-23 20:05:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 129 transitions. [2023-11-23 20:05:29,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 20:05:29,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:29,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:29,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 20:05:29,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:29,664 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-23 20:05:29,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:29,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 105 states and 132 transitions. [2023-11-23 20:05:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 132 transitions. [2023-11-23 20:05:29,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-23 20:05:29,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:29,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:29,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:05:29,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-23 20:05:30,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:30,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 109 states and 138 transitions. [2023-11-23 20:05:30,583 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 138 transitions. [2023-11-23 20:05:30,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-23 20:05:30,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:30,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:30,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-23 20:05:30,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:30,850 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-23 20:05:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:31,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 112 states and 141 transitions. [2023-11-23 20:05:31,109 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 141 transitions. [2023-11-23 20:05:31,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 20:05:31,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:31,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:31,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:05:31,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:31,380 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-23 20:05:31,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:31,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 116 states and 147 transitions. [2023-11-23 20:05:31,830 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 147 transitions. [2023-11-23 20:05:31,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-23 20:05:31,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:31,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:31,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-23 20:05:31,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:32,122 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-23 20:05:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:32,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 119 states and 150 transitions. [2023-11-23 20:05:32,419 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2023-11-23 20:05:32,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-23 20:05:32,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:32,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:32,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:05:32,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:32,747 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 637 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-23 20:05:33,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:33,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 123 states and 156 transitions. [2023-11-23 20:05:33,235 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 156 transitions. [2023-11-23 20:05:33,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-23 20:05:33,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:33,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:33,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-23 20:05:33,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:33,580 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-23 20:05:33,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:33,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 126 states and 159 transitions. [2023-11-23 20:05:33,880 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2023-11-23 20:05:33,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-23 20:05:33,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:33,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:33,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:05:33,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:34,215 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:05:34,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 130 states and 165 transitions. [2023-11-23 20:05:34,711 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 165 transitions. [2023-11-23 20:05:34,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-23 20:05:34,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-23 20:05:34,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:35,073 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:05:35,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:35,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 133 states and 168 transitions. [2023-11-23 20:05:35,479 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 168 transitions. [2023-11-23 20:05:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-23 20:05:35,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:35,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:35,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:05:35,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:35,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-23 20:05:36,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:36,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 137 states and 174 transitions. [2023-11-23 20:05:36,329 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2023-11-23 20:05:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 20:05:36,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:36,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:36,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-23 20:05:36,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:36,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 888 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-23 20:05:37,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:37,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 140 states and 177 transitions. [2023-11-23 20:05:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 177 transitions. [2023-11-23 20:05:37,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-23 20:05:37,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:37,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:37,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:05:37,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:37,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 0 proven. 952 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-23 20:05:38,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:38,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 144 states and 183 transitions. [2023-11-23 20:05:38,181 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 183 transitions. [2023-11-23 20:05:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-23 20:05:38,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:38,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:38,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-23 20:05:38,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:38,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1003 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-23 20:05:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 147 states and 186 transitions. [2023-11-23 20:05:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 186 transitions. [2023-11-23 20:05:38,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-23 20:05:38,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:38,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:39,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:05:39,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:39,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1377 backedges. 0 proven. 1071 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-23 20:05:39,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 151 states and 192 transitions. [2023-11-23 20:05:39,874 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 192 transitions. [2023-11-23 20:05:39,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-23 20:05:39,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:39,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:39,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-23 20:05:39,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:40,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-23 20:05:40,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:40,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 154 states and 195 transitions. [2023-11-23 20:05:40,673 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 195 transitions. [2023-11-23 20:05:40,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-23 20:05:40,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:40,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:40,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:05:40,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:41,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 0 proven. 1197 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-11-23 20:05:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:41,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 158 states and 201 transitions. [2023-11-23 20:05:41,813 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 201 transitions. [2023-11-23 20:05:41,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-23 20:05:41,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:41,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:41,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-23 20:05:41,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1254 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-11-23 20:05:42,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 161 states and 204 transitions. [2023-11-23 20:05:42,806 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 204 transitions. [2023-11-23 20:05:42,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 20:05:42,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:42,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:42,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:05:42,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:43,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 0 proven. 1330 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-23 20:05:44,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:44,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 165 states and 210 transitions. [2023-11-23 20:05:44,049 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 210 transitions. [2023-11-23 20:05:44,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-23 20:05:44,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:44,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:44,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-23 20:05:44,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:44,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1390 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-23 20:05:45,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:45,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 168 states and 213 transitions. [2023-11-23 20:05:45,007 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 213 transitions. [2023-11-23 20:05:45,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-23 20:05:45,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:45,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:45,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 20:05:45,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 0 proven. 1470 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-23 20:05:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:46,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 172 states and 219 transitions. [2023-11-23 20:05:46,226 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2023-11-23 20:05:46,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-23 20:05:46,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:46,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:46,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-23 20:05:46,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:46,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1533 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-23 20:05:47,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:47,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 175 states and 222 transitions. [2023-11-23 20:05:47,356 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 222 transitions. [2023-11-23 20:05:47,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-23 20:05:47,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:47,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:47,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 20:05:47,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2079 backedges. 0 proven. 1617 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-23 20:05:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:48,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 179 states and 228 transitions. [2023-11-23 20:05:48,484 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 228 transitions. [2023-11-23 20:05:48,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-23 20:05:48,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:48,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:48,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-23 20:05:48,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:48,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-23 20:05:49,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:49,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 182 states and 231 transitions. [2023-11-23 20:05:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 231 transitions. [2023-11-23 20:05:49,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-23 20:05:49,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:49,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:49,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-23 20:05:49,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:49,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2277 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-11-23 20:05:50,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:50,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 186 states and 237 transitions. [2023-11-23 20:05:50,486 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 237 transitions. [2023-11-23 20:05:50,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-23 20:05:50,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:50,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:50,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-23 20:05:50,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 1840 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-11-23 20:05:51,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:51,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 189 states and 240 transitions. [2023-11-23 20:05:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 240 transitions. [2023-11-23 20:05:51,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-23 20:05:51,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:51,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:51,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 20:05:51,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2484 backedges. 0 proven. 1932 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-11-23 20:05:52,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:52,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 193 states and 246 transitions. [2023-11-23 20:05:52,767 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 246 transitions. [2023-11-23 20:05:52,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-23 20:05:52,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:52,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:52,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-23 20:05:52,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:53,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2004 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-11-23 20:05:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 196 states and 249 transitions. [2023-11-23 20:05:53,905 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 249 transitions. [2023-11-23 20:05:53,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-23 20:05:53,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:53,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:53,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 20:05:54,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2100 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-11-23 20:05:55,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:55,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 200 states and 255 transitions. [2023-11-23 20:05:55,189 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 255 transitions. [2023-11-23 20:05:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-11-23 20:05:55,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:55,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:55,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-23 20:05:55,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2175 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-11-23 20:05:56,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:56,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 203 states and 258 transitions. [2023-11-23 20:05:56,257 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 258 transitions. [2023-11-23 20:05:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-23 20:05:56,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:56,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:56,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-23 20:05:56,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2925 backedges. 0 proven. 2275 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-23 20:05:57,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:57,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 207 states and 264 transitions. [2023-11-23 20:05:57,734 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 264 transitions. [2023-11-23 20:05:57,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-23 20:05:57,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:57,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:57,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-23 20:05:57,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 2353 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-23 20:05:58,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:58,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 210 states and 267 transitions. [2023-11-23 20:05:58,988 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 267 transitions. [2023-11-23 20:05:58,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-23 20:05:58,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:58,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:59,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-23 20:05:59,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:59,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 0 proven. 2457 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2023-11-23 20:06:00,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 214 states and 273 transitions. [2023-11-23 20:06:00,413 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 273 transitions. [2023-11-23 20:06:00,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-23 20:06:00,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:00,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:00,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-23 20:06:00,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 2538 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2023-11-23 20:06:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:01,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 217 states and 276 transitions. [2023-11-23 20:06:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 276 transitions. [2023-11-23 20:06:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-23 20:06:01,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:01,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:01,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-23 20:06:01,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3402 backedges. 0 proven. 2646 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-23 20:06:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:03,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 221 states and 282 transitions. [2023-11-23 20:06:03,049 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 282 transitions. [2023-11-23 20:06:03,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-23 20:06:03,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:03,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:03,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-23 20:06:03,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:03,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-23 20:06:04,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:04,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 224 states and 285 transitions. [2023-11-23 20:06:04,284 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 285 transitions. [2023-11-23 20:06:04,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2023-11-23 20:06:04,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:04,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:04,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-23 20:06:04,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:04,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3654 backedges. 0 proven. 2842 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-23 20:06:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:05,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 228 states and 291 transitions. [2023-11-23 20:06:05,816 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 291 transitions. [2023-11-23 20:06:05,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-11-23 20:06:05,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:05,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:05,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-23 20:06:05,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 2929 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-23 20:06:07,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 231 states and 294 transitions. [2023-11-23 20:06:07,201 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 294 transitions. [2023-11-23 20:06:07,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-11-23 20:06:07,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:07,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:07,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-23 20:06:07,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:07,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3915 backedges. 0 proven. 3045 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-23 20:06:08,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:08,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 235 states and 300 transitions. [2023-11-23 20:06:08,737 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 300 transitions. [2023-11-23 20:06:08,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-11-23 20:06:08,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:08,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:08,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-23 20:06:08,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:09,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 3135 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-23 20:06:10,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:10,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 238 states and 303 transitions. [2023-11-23 20:06:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 303 transitions. [2023-11-23 20:06:10,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-11-23 20:06:10,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:10,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:10,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-23 20:06:10,223 INFO L285 TraceCheckSpWp]: Computing forward predicates...