./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL --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 464ff86972962e190fa8e3bdd89b592f22b90512739ab3fd4df7709eb39adee3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:15,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:15,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:54:15,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:54:15,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:54:15,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:15,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:15,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:15,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:15,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:15,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:15,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:15,167 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:15,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:54:15,168 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:15,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:15,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:15,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:15,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:15,171 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:54:15,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:54:15,172 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:15,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:15,173 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:15,174 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:15,174 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:15,175 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:15,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:15,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:15,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:15,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:15,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:15,177 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:54:15,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:54:15,178 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:15,178 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_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 464ff86972962e190fa8e3bdd89b592f22b90512739ab3fd4df7709eb39adee3 [2023-11-19 02:54:15,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:15,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:15,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:15,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:15,529 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:15,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2023-11-19 02:54:18,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:18,802 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:18,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180af0a-7f93-45ab-9641-5c1978f16a16/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2023-11-19 02:54:18,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL/data/daf6be45d/7e0222a9bb33413da0364d9ca704ed8e/FLAGa53e50ed0 [2023-11-19 02:54:18,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL/data/daf6be45d/7e0222a9bb33413da0364d9ca704ed8e [2023-11-19 02:54:18,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:18,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:18,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:18,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:18,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:18,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:18" (1/1) ... [2023-11-19 02:54:18,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693b662e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:18, skipping insertion in model container [2023-11-19 02:54:18,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:18" (1/1) ... [2023-11-19 02:54:18,858 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:19,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:19,054 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:19,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:19,097 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:19,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19 WrapperNode [2023-11-19 02:54:19,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:19,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:19,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:19,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:19,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,137 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-11-19 02:54:19,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:19,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:19,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:19,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:19,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:19,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:19,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:19,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:19,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:19,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:19,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:19,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180af0a-7f93-45ab-9641-5c1978f16a16/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:54:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:54:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:54:19,328 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:19,330 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:19,709 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:19,746 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:19,746 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:54:19,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:19 BoogieIcfgContainer [2023-11-19 02:54:19,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:19,753 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:19,753 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:19,767 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:19,772 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:54:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2023-11-19 02:54:19,856 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2023-11-19 02:54:19,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:54:19,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:19,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:19,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:20,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:20,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2023-11-19 02:54:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2023-11-19 02:54:20,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:54:20,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:20,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:20,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:20,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:20,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:20,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2023-11-19 02:54:20,127 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2023-11-19 02:54:20,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:54:20,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:20,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:20,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:20,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:20,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:20,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:20,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2023-11-19 02:54:20,286 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2023-11-19 02:54:20,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:54:20,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:20,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:20,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:20,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:20,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:20,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:20,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2023-11-19 02:54:20,559 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2023-11-19 02:54:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:54:20,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:20,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:20,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:20,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:20,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:20,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:20,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-19 02:54:20,622 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-19 02:54:20,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:54:20,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:20,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:20,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:20,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:20,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:20,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2023-11-19 02:54:20,939 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2023-11-19 02:54:20,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:54:20,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:20,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:20,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:20,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:21,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:21,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:21,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2023-11-19 02:54:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-19 02:54:21,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:54:21,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:21,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:21,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:21,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:21,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2023-11-19 02:54:21,752 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2023-11-19 02:54:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:54:21,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:21,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:21,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:54:21,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:21,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:21,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:21,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2023-11-19 02:54:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2023-11-19 02:54:21,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:54:21,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:21,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:21,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:21,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:21,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:22,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:22,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 90 states and 105 transitions. [2023-11-19 02:54:22,216 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-19 02:54:22,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:54:22,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:22,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:22,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:22,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:22,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:22,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:22,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2023-11-19 02:54:22,480 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2023-11-19 02:54:22,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:54:22,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:22,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:22,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:22,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:22,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 107 states and 131 transitions. [2023-11-19 02:54:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2023-11-19 02:54:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:54:23,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:23,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:23,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:23,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:23,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:23,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:23,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 110 states and 135 transitions. [2023-11-19 02:54:23,438 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 135 transitions. [2023-11-19 02:54:23,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:54:23,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:23,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:23,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:23,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:23,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:24,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:24,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 116 states and 148 transitions. [2023-11-19 02:54:24,106 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 148 transitions. [2023-11-19 02:54:24,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:54:24,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:24,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:24,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:24,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:24,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:24,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 123 states and 161 transitions. [2023-11-19 02:54:24,793 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 161 transitions. [2023-11-19 02:54:24,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:54:24,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:24,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:24,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:24,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:25,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 129 states and 173 transitions. [2023-11-19 02:54:25,415 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 173 transitions. [2023-11-19 02:54:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:54:25,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:25,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:25,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:25,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:25,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:25,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:25,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 128 states and 172 transitions. [2023-11-19 02:54:25,598 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 172 transitions. [2023-11-19 02:54:25,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:54:25,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:25,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:25,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:25,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 135 states and 184 transitions. [2023-11-19 02:54:26,374 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 184 transitions. [2023-11-19 02:54:26,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:54:26,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:26,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:26,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:26,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:27,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:27,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 141 states and 194 transitions. [2023-11-19 02:54:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 194 transitions. [2023-11-19 02:54:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:54:27,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:27,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:27,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:27,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:27,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:27,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 150 states and 208 transitions. [2023-11-19 02:54:27,990 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2023-11-19 02:54:27,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:54:27,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:27,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:28,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:28,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:28,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:28,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 149 states and 207 transitions. [2023-11-19 02:54:28,671 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 207 transitions. [2023-11-19 02:54:28,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:54:28,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:28,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:28,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:28,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:30,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:30,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 157 states and 217 transitions. [2023-11-19 02:54:30,023 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 217 transitions. [2023-11-19 02:54:30,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:54:30,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:30,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:30,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:30,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 161 states and 225 transitions. [2023-11-19 02:54:30,397 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2023-11-19 02:54:30,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:54:30,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:30,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:30,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:30,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:30,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:30,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:30,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 165 states and 228 transitions. [2023-11-19 02:54:30,720 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2023-11-19 02:54:30,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:54:30,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:30,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:30,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:30,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:30,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:31,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:31,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 170 states and 235 transitions. [2023-11-19 02:54:31,237 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2023-11-19 02:54:31,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:54:31,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:31,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:31,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:31,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:31,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:31,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 173 states and 238 transitions. [2023-11-19 02:54:31,852 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 238 transitions. [2023-11-19 02:54:31,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:54:31,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:31,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:31,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:31,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:32,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 175 states and 242 transitions. [2023-11-19 02:54:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2023-11-19 02:54:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:54:32,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:32,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:32,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:54:32,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:33,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:33,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 178 states and 249 transitions. [2023-11-19 02:54:33,820 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 249 transitions. [2023-11-19 02:54:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:54:33,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:33,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:33,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:33,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:34,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:34,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 192 states and 264 transitions. [2023-11-19 02:54:34,885 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 264 transitions. [2023-11-19 02:54:34,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:54:34,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:34,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:34,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:34,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:36,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:36,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 209 states and 296 transitions. [2023-11-19 02:54:36,522 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 296 transitions. [2023-11-19 02:54:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:54:36,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:36,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:36,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:36,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:54:36,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:36,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 209 states and 295 transitions. [2023-11-19 02:54:36,864 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 295 transitions. [2023-11-19 02:54:36,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:54:36,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:36,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:36,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:36,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:36,973 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 213 states and 304 transitions. [2023-11-19 02:54:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 304 transitions. [2023-11-19 02:54:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:54:37,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:37,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:37,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:37,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:54:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 218 states and 311 transitions. [2023-11-19 02:54:38,257 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 311 transitions. [2023-11-19 02:54:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:54:38,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:38,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:38,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:38,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:38,427 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:39,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:39,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 227 states and 330 transitions. [2023-11-19 02:54:39,442 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 330 transitions. [2023-11-19 02:54:39,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:54:39,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:39,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:39,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:54:39,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:39,668 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 233 states and 340 transitions. [2023-11-19 02:54:40,357 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 340 transitions. [2023-11-19 02:54:40,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:54:40,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:40,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:40,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:54:40,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:40,568 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:41,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:41,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 244 states and 359 transitions. [2023-11-19 02:54:41,634 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 359 transitions. [2023-11-19 02:54:41,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:54:41,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:41,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:41,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:41,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:41,785 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:42,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:42,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 249 states and 369 transitions. [2023-11-19 02:54:42,512 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 369 transitions. [2023-11-19 02:54:42,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:54:42,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:42,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:42,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:42,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:42,721 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:43,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:43,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 254 states and 374 transitions. [2023-11-19 02:54:43,431 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 374 transitions. [2023-11-19 02:54:43,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:54:43,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:43,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:43,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:43,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:43,677 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:44,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:44,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 259 states and 382 transitions. [2023-11-19 02:54:44,178 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 382 transitions. [2023-11-19 02:54:44,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:54:44,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:44,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:44,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:44,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:44,415 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:45,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 262 states and 392 transitions. [2023-11-19 02:54:45,172 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 392 transitions. [2023-11-19 02:54:45,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:54:45,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:45,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:45,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:45,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:46,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:46,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 265 states and 397 transitions. [2023-11-19 02:54:46,208 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 397 transitions. [2023-11-19 02:54:46,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:54:46,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:46,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:46,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:46,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:46,595 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:47,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:47,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 268 states and 402 transitions. [2023-11-19 02:54:47,333 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 402 transitions. [2023-11-19 02:54:47,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:54:47,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:47,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:47,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:47,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:47,481 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:54:48,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:48,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 278 states and 411 transitions. [2023-11-19 02:54:48,194 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 411 transitions. [2023-11-19 02:54:48,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:54:48,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:48,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:48,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:48,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:48,350 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:54:50,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:50,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 295 states and 449 transitions. [2023-11-19 02:54:50,326 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 449 transitions. [2023-11-19 02:54:50,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:54:50,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:50,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:50,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:50,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-19 02:54:50,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:50,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 295 states and 448 transitions. [2023-11-19 02:54:50,748 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 448 transitions. [2023-11-19 02:54:50,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:54:50,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:50,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:50,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:50,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:54:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:52,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 302 states and 463 transitions. [2023-11-19 02:54:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 463 transitions. [2023-11-19 02:54:52,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:54:52,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:52,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:52,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:52,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 02:54:53,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:53,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 307 states and 470 transitions. [2023-11-19 02:54:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 470 transitions. [2023-11-19 02:54:53,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:54:53,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:53,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:53,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:53,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:54:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 316 states and 490 transitions. [2023-11-19 02:54:54,676 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 490 transitions. [2023-11-19 02:54:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:54:54,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:54,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:54,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:54,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:55,038 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:54:56,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:56,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 325 states and 504 transitions. [2023-11-19 02:54:56,390 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 504 transitions. [2023-11-19 02:54:56,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:54:56,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:56,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:56,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:56,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:54:58,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:58,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 336 states and 526 transitions. [2023-11-19 02:54:58,284 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 526 transitions. [2023-11-19 02:54:58,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:54:58,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:58,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:58,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:54:58,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:58,504 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:54:59,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:59,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 341 states and 537 transitions. [2023-11-19 02:54:59,490 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 537 transitions. [2023-11-19 02:54:59,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:54:59,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:59,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:59,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:54:59,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 51 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:00,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:00,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 346 states and 542 transitions. [2023-11-19 02:55:00,840 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 542 transitions. [2023-11-19 02:55:00,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:55:00,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:00,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:00,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:00,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:01,154 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:01,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:01,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 351 states and 551 transitions. [2023-11-19 02:55:01,782 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 551 transitions. [2023-11-19 02:55:01,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:55:01,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:01,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:01,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:01,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 354 states and 566 transitions. [2023-11-19 02:55:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 566 transitions. [2023-11-19 02:55:03,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:55:03,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:03,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:03,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:55:03,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:03,623 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:04,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:04,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 357 states and 573 transitions. [2023-11-19 02:55:04,566 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 573 transitions. [2023-11-19 02:55:04,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:55:04,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:04,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:04,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:55:04,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:05,094 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 360 states and 579 transitions. [2023-11-19 02:55:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 579 transitions. [2023-11-19 02:55:06,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 02:55:06,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:06,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:06,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:06,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:07,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 370 states and 588 transitions. [2023-11-19 02:55:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 588 transitions. [2023-11-19 02:55:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 02:55:07,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:07,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:07,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:07,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:07,539 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:10,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:10,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 387 states and 632 transitions. [2023-11-19 02:55:10,159 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 632 transitions. [2023-11-19 02:55:10,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75