./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/diff-2-n-u.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_d38a5daa-9a2d-43c4-9280-772b5000c09a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38a5daa-9a2d-43c4-9280-772b5000c09a/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_d38a5daa-9a2d-43c4-9280-772b5000c09a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38a5daa-9a2d-43c4-9280-772b5000c09a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/diff-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38a5daa-9a2d-43c4-9280-772b5000c09a/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_d38a5daa-9a2d-43c4-9280-772b5000c09a/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 cb0d07e46dc94102f1a204dcfe0d8cca3d45653b0db7cea07d03c16ba8563271 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:05:03,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:05:04,081 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38a5daa-9a2d-43c4-9280-772b5000c09a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:05:04,094 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:05:04,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:05:04,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:05:04,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:05:04,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:05:04,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:05:04,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:05:04,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:05:04,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:05:04,151 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:05:04,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:05:04,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:05:04,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:05:04,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:05:04,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:05:04,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:05:04,156 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:05:04,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:05:04,157 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:05:04,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:05:04,158 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:05:04,159 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:05:04,160 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:05:04,160 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:05:04,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:05:04,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:04,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:05:04,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:05:04,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:05:04,163 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:05:04,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:05:04,164 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:05:04,164 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_d38a5daa-9a2d-43c4-9280-772b5000c09a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38a5daa-9a2d-43c4-9280-772b5000c09a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb0d07e46dc94102f1a204dcfe0d8cca3d45653b0db7cea07d03c16ba8563271 [2023-11-23 20:05:04,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:05:04,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:05:04,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:05:04,510 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:05:04,511 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:05:04,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38a5daa-9a2d-43c4-9280-772b5000c09a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-multidimensional/diff-2-n-u.c [2023-11-23 20:05:07,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:05:08,098 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:05:08,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38a5daa-9a2d-43c4-9280-772b5000c09a/sv-benchmarks/c/array-multidimensional/diff-2-n-u.c [2023-11-23 20:05:08,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38a5daa-9a2d-43c4-9280-772b5000c09a/bin/ukojak-verify-1t5iHCbJaC/data/4f2ec5013/d9f662e2623b4d78a3c8ede53b246625/FLAG304eb9d14 [2023-11-23 20:05:08,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38a5daa-9a2d-43c4-9280-772b5000c09a/bin/ukojak-verify-1t5iHCbJaC/data/4f2ec5013/d9f662e2623b4d78a3c8ede53b246625 [2023-11-23 20:05:08,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:05:08,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:05:08,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:08,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:05:08,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:05:08,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:08" (1/1) ... [2023-11-23 20:05:08,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d91fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:08, skipping insertion in model container [2023-11-23 20:05:08,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:08" (1/1) ... [2023-11-23 20:05:08,177 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:05:08,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:08,382 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:05:08,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:08,430 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:05:08,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:08 WrapperNode [2023-11-23 20:05:08,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:08,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:08,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:05:08,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:05:08,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:08" (1/1) ... [2023-11-23 20:05:08,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:08" (1/1) ... [2023-11-23 20:05:08,498 INFO L138 Inliner]: procedures = 14, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 129 [2023-11-23 20:05:08,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:08,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:05:08,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:05:08,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:05:08,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:08" (1/1) ... [2023-11-23 20:05:08,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:08" (1/1) ... [2023-11-23 20:05:08,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:08" (1/1) ... [2023-11-23 20:05:08,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:08" (1/1) ... [2023-11-23 20:05:08,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:08" (1/1) ... [2023-11-23 20:05:08,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:08" (1/1) ... [2023-11-23 20:05:08,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:08" (1/1) ... [2023-11-23 20:05:08,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:08" (1/1) ... [2023-11-23 20:05:08,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:05:08,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:05:08,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:05:08,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:05:08,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:08" (1/1) ... [2023-11-23 20:05:08,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:08,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38a5daa-9a2d-43c4-9280-772b5000c09a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:05:08,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38a5daa-9a2d-43c4-9280-772b5000c09a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:05:08,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d38a5daa-9a2d-43c4-9280-772b5000c09a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:05:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:05:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:05:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:05:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:05:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:05:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:05:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:05:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:05:08,703 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:05:08,706 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:05:09,015 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:05:09,122 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:05:09,126 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-23 20:05:09,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:09 BoogieIcfgContainer [2023-11-23 20:05:09,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:05:09,130 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:05:09,130 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:05:09,143 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:05:09,143 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:09" (1/1) ... [2023-11-23 20:05:09,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:05:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:09,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2023-11-23 20:05:09,227 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2023-11-23 20:05:09,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:05:09,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:09,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:09,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:09,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:09,481 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 20:05:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:09,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2023-11-23 20:05:09,568 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2023-11-23 20:05:09,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:05:09,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:09,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:09,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:09,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:09,633 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 20:05:09,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:09,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2023-11-23 20:05:09,747 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-11-23 20:05:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:05:09,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:09,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:09,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:09,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:09,818 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 20:05:10,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:10,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2023-11-23 20:05:10,030 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2023-11-23 20:05:10,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:05:10,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:10,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:10,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:10,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:10,125 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 20:05:10,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 78 transitions. [2023-11-23 20:05:10,350 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-11-23 20:05:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:05:10,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:10,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:10,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:10,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:10,401 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 20:05:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:10,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2023-11-23 20:05:10,452 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2023-11-23 20:05:10,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:05:10,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:10,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:10,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:10,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:10,501 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 20:05:10,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:10,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 59 states and 90 transitions. [2023-11-23 20:05:10,562 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2023-11-23 20:05:10,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:05:10,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:10,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:10,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:10,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:10,620 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 20:05:10,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:10,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2023-11-23 20:05:10,651 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2023-11-23 20:05:10,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:05:10,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:10,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:10,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:10,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:10,690 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 20:05:10,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:10,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 102 transitions. [2023-11-23 20:05:10,716 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 102 transitions. [2023-11-23 20:05:10,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:05:10,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:10,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:10,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:10,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:10,756 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 20:05:10,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:10,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 68 states and 111 transitions. [2023-11-23 20:05:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 111 transitions. [2023-11-23 20:05:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:05:10,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:10,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:10,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:10,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:10,966 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 20:05:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:11,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 120 transitions. [2023-11-23 20:05:11,085 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 120 transitions. [2023-11-23 20:05:11,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:05:11,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:11,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:11,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:11,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:11,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:11,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 73 states and 123 transitions. [2023-11-23 20:05:11,357 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 123 transitions. [2023-11-23 20:05:11,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:05:11,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:11,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:11,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:11,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:11,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:11,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 74 states and 123 transitions. [2023-11-23 20:05:11,536 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 123 transitions. [2023-11-23 20:05:11,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:05:11,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:11,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:11,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:11,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:11,618 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 20:05:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 76 states and 127 transitions. [2023-11-23 20:05:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 127 transitions. [2023-11-23 20:05:11,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:05:11,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:11,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:11,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:11,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:11,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:11,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 80 states and 136 transitions. [2023-11-23 20:05:11,772 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 136 transitions. [2023-11-23 20:05:11,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:05:11,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:11,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:11,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:11,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:11,812 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 20:05:11,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:11,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 83 states and 144 transitions. [2023-11-23 20:05:11,851 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 144 transitions. [2023-11-23 20:05:11,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:05:11,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:11,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:11,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:11,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:11,904 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 20:05:11,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:11,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 86 states and 153 transitions. [2023-11-23 20:05:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 153 transitions. [2023-11-23 20:05:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:11,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:11,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:11,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:11,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:12,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 88 states and 158 transitions. [2023-11-23 20:05:12,374 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 158 transitions. [2023-11-23 20:05:12,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:12,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:12,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:12,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:12,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:12,455 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 20:05:12,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:12,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 91 states and 165 transitions. [2023-11-23 20:05:12,682 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 165 transitions. [2023-11-23 20:05:12,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:12,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:12,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:12,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:12,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:12,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:12,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 94 states and 168 transitions. [2023-11-23 20:05:12,881 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 168 transitions. [2023-11-23 20:05:12,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:12,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:12,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:12,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:12,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:12,945 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 20:05:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:12,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 97 states and 175 transitions. [2023-11-23 20:05:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 175 transitions. [2023-11-23 20:05:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:12,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:12,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:13,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:13,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:13,022 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 20:05:13,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:13,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 101 states and 185 transitions. [2023-11-23 20:05:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 185 transitions. [2023-11-23 20:05:13,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:13,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:13,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:13,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:13,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:13,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:05:13,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:13,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 102 states and 187 transitions. [2023-11-23 20:05:13,321 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 187 transitions. [2023-11-23 20:05:13,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:05:13,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:13,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:13,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:13,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:05:13,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:13,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 104 states and 188 transitions. [2023-11-23 20:05:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 188 transitions. [2023-11-23 20:05:13,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:05:13,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:13,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:13,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:13,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:13,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:13,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:13,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 107 states and 191 transitions. [2023-11-23 20:05:13,771 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 191 transitions. [2023-11-23 20:05:13,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:05:13,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:13,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:13,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:13,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:13,854 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:14,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:14,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 110 states and 198 transitions. [2023-11-23 20:05:14,157 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 198 transitions. [2023-11-23 20:05:14,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:05:14,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:14,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:14,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:14,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:05:14,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:14,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 113 states and 201 transitions. [2023-11-23 20:05:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 201 transitions. [2023-11-23 20:05:14,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:05:14,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:14,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:14,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:14,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:14,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:14,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 115 states and 202 transitions. [2023-11-23 20:05:14,589 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 202 transitions. [2023-11-23 20:05:14,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:05:14,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:14,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:14,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:05:14,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:14,809 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:15,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 118 states and 205 transitions. [2023-11-23 20:05:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 205 transitions. [2023-11-23 20:05:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:05:15,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:15,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:15,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:05:15,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:15,210 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:15,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:15,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 121 states and 212 transitions. [2023-11-23 20:05:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 212 transitions. [2023-11-23 20:05:15,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:05:15,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:15,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:15,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:15,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:15,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:15,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 124 states and 215 transitions. [2023-11-23 20:05:15,834 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 215 transitions. [2023-11-23 20:05:15,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:05:15,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:15,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:15,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:15,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:05:16,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:16,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 126 states and 216 transitions. [2023-11-23 20:05:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 216 transitions. [2023-11-23 20:05:16,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:05:16,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:16,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:16,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:05:16,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:16,206 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:16,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:16,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 129 states and 219 transitions. [2023-11-23 20:05:16,530 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2023-11-23 20:05:16,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:05:16,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:16,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:16,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:05:16,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:17,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:17,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 132 states and 226 transitions. [2023-11-23 20:05:17,060 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 226 transitions. [2023-11-23 20:05:17,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:05:17,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:17,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:17,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:17,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:05:17,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:17,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 135 states and 229 transitions. [2023-11-23 20:05:17,418 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 229 transitions. [2023-11-23 20:05:17,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:05:17,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:17,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:17,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:17,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:17,500 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-23 20:05:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 137 states and 230 transitions. [2023-11-23 20:05:17,623 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 230 transitions. [2023-11-23 20:05:17,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:05:17,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:17,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:17,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:17,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:17,830 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:18,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 140 states and 233 transitions. [2023-11-23 20:05:18,172 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 233 transitions. [2023-11-23 20:05:18,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:05:18,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:18,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:18,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:18,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:18,307 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:18,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 143 states and 240 transitions. [2023-11-23 20:05:18,698 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 240 transitions. [2023-11-23 20:05:18,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:05:18,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:18,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:18,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:18,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-23 20:05:19,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:19,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 146 states and 243 transitions. [2023-11-23 20:05:19,072 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 243 transitions. [2023-11-23 20:05:19,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:05:19,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:19,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:19,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:19,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:19,161 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-23 20:05:19,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:19,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 148 states and 244 transitions. [2023-11-23 20:05:19,287 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 244 transitions. [2023-11-23 20:05:19,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:05:19,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:19,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:19,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:05:19,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:19,480 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:19,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:19,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 151 states and 247 transitions. [2023-11-23 20:05:19,838 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 247 transitions. [2023-11-23 20:05:19,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:05:19,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:19,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:19,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:05:19,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:19,980 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:20,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:20,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 154 states and 254 transitions. [2023-11-23 20:05:20,434 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 254 transitions. [2023-11-23 20:05:20,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:05:20,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:20,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:20,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:20,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:20,524 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-23 20:05:20,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:20,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 157 states and 257 transitions. [2023-11-23 20:05:20,783 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 257 transitions. [2023-11-23 20:05:20,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:05:20,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:20,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:20,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:20,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:20,880 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-23 20:05:21,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 159 states and 258 transitions. [2023-11-23 20:05:21,015 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 258 transitions. [2023-11-23 20:05:21,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:05:21,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:05:21,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 162 states and 261 transitions. [2023-11-23 20:05:21,632 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 261 transitions. [2023-11-23 20:05:21,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:05:21,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:05:21,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:21,858 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:22,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:22,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 165 states and 268 transitions. [2023-11-23 20:05:22,275 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 268 transitions. [2023-11-23 20:05:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:05:22,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:22,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:22,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:22,358 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-23 20:05:22,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:22,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 168 states and 271 transitions. [2023-11-23 20:05:22,620 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 271 transitions. [2023-11-23 20:05:22,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:05:22,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:22,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:22,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-23 20:05:22,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 170 states and 272 transitions. [2023-11-23 20:05:22,846 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 272 transitions. [2023-11-23 20:05:22,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:05:22,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:22,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:05:22,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:23,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:23,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 173 states and 275 transitions. [2023-11-23 20:05:23,473 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 275 transitions. [2023-11-23 20:05:23,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:05:23,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:23,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:23,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:05:23,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:24,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:24,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 176 states and 282 transitions. [2023-11-23 20:05:24,034 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 282 transitions. [2023-11-23 20:05:24,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:05:24,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:24,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:24,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:24,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:24,132 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-23 20:05:24,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:24,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 179 states and 285 transitions. [2023-11-23 20:05:24,391 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 285 transitions. [2023-11-23 20:05:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:05:24,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:24,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:24,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:24,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:24,492 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-23 20:05:24,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 181 states and 286 transitions. [2023-11-23 20:05:24,651 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 286 transitions. [2023-11-23 20:05:24,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:05:24,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:24,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:24,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:05:24,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:24,950 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 10 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:25,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:25,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 184 states and 289 transitions. [2023-11-23 20:05:25,360 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 289 transitions. [2023-11-23 20:05:25,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:05:25,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:25,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:25,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:05:25,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:26,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:26,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 187 states and 296 transitions. [2023-11-23 20:05:26,013 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 296 transitions. [2023-11-23 20:05:26,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:05:26,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:26,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:26,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:26,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:26,112 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-23 20:05:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:26,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 190 states and 299 transitions. [2023-11-23 20:05:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 299 transitions. [2023-11-23 20:05:26,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:05:26,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:26,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:26,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:26,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:26,527 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:05:26,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:26,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 192 states and 300 transitions. [2023-11-23 20:05:26,673 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 300 transitions. [2023-11-23 20:05:26,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:05:26,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:26,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:26,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:05:26,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 11 proven. 117 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:27,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:27,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 195 states and 303 transitions. [2023-11-23 20:05:27,368 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 303 transitions. [2023-11-23 20:05:27,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:05:27,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:27,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:27,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:05:27,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:27,586 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 198 states and 310 transitions. [2023-11-23 20:05:28,110 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 310 transitions. [2023-11-23 20:05:28,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:05:28,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:28,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:28,233 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:05:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 201 states and 313 transitions. [2023-11-23 20:05:28,548 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 313 transitions. [2023-11-23 20:05:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:05:28,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:28,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-23 20:05:28,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 203 states and 314 transitions. [2023-11-23 20:05:28,873 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 314 transitions. [2023-11-23 20:05:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:05:28,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:05:28,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:29,241 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 12 proven. 145 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:29,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:29,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 206 states and 317 transitions. [2023-11-23 20:05:29,796 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 317 transitions. [2023-11-23 20:05:29,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:05:29,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:29,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:29,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:05:29,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:30,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 209 states and 324 transitions. [2023-11-23 20:05:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 324 transitions. [2023-11-23 20:05:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:05:30,585 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 20:05:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:30,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:30,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:30,720 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-23 20:05:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:31,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 212 states and 327 transitions. [2023-11-23 20:05:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 327 transitions. [2023-11-23 20:05:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:05:31,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:31,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:31,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:31,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:05:31,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:31,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 214 states and 328 transitions. [2023-11-23 20:05:31,449 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 328 transitions. [2023-11-23 20:05:31,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:05:31,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:31,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:31,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:05:31,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:31,870 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 13 proven. 176 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:32,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:32,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 217 states and 331 transitions. [2023-11-23 20:05:32,427 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 331 transitions. [2023-11-23 20:05:32,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:05:32,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:32,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:32,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:05:32,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:32,716 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:33,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 220 states and 338 transitions. [2023-11-23 20:05:33,339 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 338 transitions. [2023-11-23 20:05:33,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:05:33,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:33,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:33,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:33,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:33,485 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:05:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:33,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 223 states and 341 transitions. [2023-11-23 20:05:33,954 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 341 transitions. [2023-11-23 20:05:33,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:05:33,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:33,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:34,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:34,135 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-23 20:05:34,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 225 states and 342 transitions. [2023-11-23 20:05:34,336 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 342 transitions. [2023-11-23 20:05:34,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:05:34,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:05:34,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:34,780 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 14 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 228 states and 345 transitions. [2023-11-23 20:05:35,291 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 345 transitions. [2023-11-23 20:05:35,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:05:35,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:35,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:35,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:05:35,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:35,542 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:36,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:36,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 231 states and 352 transitions. [2023-11-23 20:05:36,142 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 352 transitions. [2023-11-23 20:05:36,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:05:36,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:36,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:36,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:36,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:36,274 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-11-23 20:05:36,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:36,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 234 states and 355 transitions. [2023-11-23 20:05:36,628 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 355 transitions. [2023-11-23 20:05:36,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:05:36,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:36,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:36,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:36,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-23 20:05:36,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 236 states and 356 transitions. [2023-11-23 20:05:36,961 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 356 transitions. [2023-11-23 20:05:36,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:05:36,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:36,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:37,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:05:37,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:37,439 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 15 proven. 247 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:38,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:38,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 239 states and 359 transitions. [2023-11-23 20:05:38,169 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 359 transitions. [2023-11-23 20:05:38,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:05:38,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:38,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:38,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:05:38,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:38,465 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:39,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 242 states and 366 transitions. [2023-11-23 20:05:39,196 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 366 transitions. [2023-11-23 20:05:39,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:05:39,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:39,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:39,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:39,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-23 20:05:39,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:39,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 245 states and 369 transitions. [2023-11-23 20:05:39,750 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 369 transitions. [2023-11-23 20:05:39,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:05:39,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:39,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:39,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:39,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-23 20:05:40,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:40,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 247 states and 370 transitions. [2023-11-23 20:05:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 370 transitions. [2023-11-23 20:05:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:05:40,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:40,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:40,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:05:40,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 16 proven. 287 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:41,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:41,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 250 states and 373 transitions. [2023-11-23 20:05:41,229 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 373 transitions. [2023-11-23 20:05:41,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:05:41,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:41,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:41,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:05:41,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:41,496 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:42,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 253 states and 380 transitions. [2023-11-23 20:05:42,219 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 380 transitions. [2023-11-23 20:05:42,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:05:42,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:42,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:42,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:42,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:42,400 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-23 20:05:42,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 256 states and 383 transitions. [2023-11-23 20:05:42,894 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 383 transitions. [2023-11-23 20:05:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:05:42,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:42,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:43,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:43,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-11-23 20:05:43,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 258 states and 384 transitions. [2023-11-23 20:05:43,326 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 384 transitions. [2023-11-23 20:05:43,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:05:43,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:43,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:43,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:05:43,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 17 proven. 330 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:44,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:44,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 261 states and 387 transitions. [2023-11-23 20:05:44,485 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 387 transitions. [2023-11-23 20:05:44,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:05:44,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:44,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:44,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:05:44,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:45,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:45,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 264 states and 394 transitions. [2023-11-23 20:05:45,698 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 394 transitions. [2023-11-23 20:05:45,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:05:45,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:45,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:45,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:45,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-11-23 20:05:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 267 states and 397 transitions. [2023-11-23 20:05:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 397 transitions. [2023-11-23 20:05:46,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:05:46,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:46,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:46,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:46,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:46,566 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-11-23 20:05:46,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:46,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 269 states and 398 transitions. [2023-11-23 20:05:46,789 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 398 transitions. [2023-11-23 20:05:46,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:05:46,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:46,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:46,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:05:46,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:47,291 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 18 proven. 376 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:48,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:48,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 272 states and 401 transitions. [2023-11-23 20:05:48,001 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 401 transitions. [2023-11-23 20:05:48,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:05:48,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:48,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:48,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:05:48,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:48,348 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:49,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 275 states and 408 transitions. [2023-11-23 20:05:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 408 transitions. [2023-11-23 20:05:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:05:49,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:49,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:49,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:49,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:49,396 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-11-23 20:05:49,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:49,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 278 states and 411 transitions. [2023-11-23 20:05:49,902 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 411 transitions. [2023-11-23 20:05:49,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:05:49,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:49,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:50,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:50,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:50,176 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2023-11-23 20:05:50,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:50,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 280 states and 412 transitions. [2023-11-23 20:05:50,423 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 412 transitions. [2023-11-23 20:05:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:05:50,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:50,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:50,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:05:50,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:50,951 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 19 proven. 425 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:51,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:51,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 283 states and 415 transitions. [2023-11-23 20:05:51,739 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 415 transitions. [2023-11-23 20:05:51,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:05:51,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:51,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:51,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:05:51,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 513 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:53,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:53,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 286 states and 422 transitions. [2023-11-23 20:05:53,058 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 422 transitions. [2023-11-23 20:05:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:05:53,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:53,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:53,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:53,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:53,295 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2023-11-23 20:05:53,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:53,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 289 states and 425 transitions. [2023-11-23 20:05:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 425 transitions. [2023-11-23 20:05:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:05:53,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:53,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:53,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:53,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2023-11-23 20:05:54,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 291 states and 426 transitions. [2023-11-23 20:05:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 426 transitions. [2023-11-23 20:05:54,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:05:54,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:54,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:54,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:05:54,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:54,803 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 20 proven. 477 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:55,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:55,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 294 states and 429 transitions. [2023-11-23 20:05:55,552 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 429 transitions. [2023-11-23 20:05:55,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:05:55,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:55,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:55,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:05:55,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:56,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:56,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 297 states and 436 transitions. [2023-11-23 20:05:56,834 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 436 transitions. [2023-11-23 20:05:56,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:05:56,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:56,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:56,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:56,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:57,061 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2023-11-23 20:05:57,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:57,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 300 states and 439 transitions. [2023-11-23 20:05:57,628 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 439 transitions. [2023-11-23 20:05:57,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:05:57,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:57,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:57,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:57,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:57,856 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2023-11-23 20:05:58,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:58,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 302 states and 440 transitions. [2023-11-23 20:05:58,158 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 440 transitions. [2023-11-23 20:05:58,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:05:58,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:58,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:58,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 20:05:58,292 INFO L285 TraceCheckSpWp]: Computing forward predicates...