./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi --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 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:40,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:41,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:05:41,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:41,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:41,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:41,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:41,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:41,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:41,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:41,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:41,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:41,150 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:41,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:41,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:41,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:41,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:41,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:41,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:41,155 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:05:41,156 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:41,156 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:41,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:41,157 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:41,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:41,159 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:41,159 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:41,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:41,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:41,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:41,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:41,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:41,162 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:41,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:41,163 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:41,163 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_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 [2023-11-24 23:05:41,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:41,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:41,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:41,623 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:41,624 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:41,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2023-11-24 23:05:44,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:45,110 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:45,111 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2023-11-24 23:05:45,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi/data/f8c24757f/8284041884d24d36a0abbeff2464fdfb/FLAG7e6c821ea [2023-11-24 23:05:45,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi/data/f8c24757f/8284041884d24d36a0abbeff2464fdfb [2023-11-24 23:05:45,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:45,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:45,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:45,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:45,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:45,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428f3eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45, skipping insertion in model container [2023-11-24 23:05:45,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,182 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:45,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:45,468 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:45,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:45,536 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:45,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45 WrapperNode [2023-11-24 23:05:45,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:45,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:45,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:45,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:45,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,610 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2023-11-24 23:05:45,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:45,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:45,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:45,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:45,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:45,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:45,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:45,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:45,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:45" (1/1) ... [2023-11-24 23:05:45,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:45,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:45,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:45,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e17800ec-51c0-49f8-a1a8-10e60869fee1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:45,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:45,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:45,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:45,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:05:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:05:45,815 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:45,821 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:46,390 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:46,426 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:46,426 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:05:46,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:46 BoogieIcfgContainer [2023-11-24 23:05:46,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:46,430 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:46,430 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:46,443 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:46,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:46" (1/1) ... [2023-11-24 23:05:46,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:46,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 118 states and 125 transitions. [2023-11-24 23:05:46,523 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 125 transitions. [2023-11-24 23:05:46,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:05:46,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:46,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:46,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:46,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:46,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 118 states and 124 transitions. [2023-11-24 23:05:46,734 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2023-11-24 23:05:46,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:05:46,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:46,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:46,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:46,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:46,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2023-11-24 23:05:46,939 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2023-11-24 23:05:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:05:46,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:46,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:47,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:47,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:47,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2023-11-24 23:05:47,073 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2023-11-24 23:05:47,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:05:47,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:47,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:47,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:47,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 126 states and 136 transitions. [2023-11-24 23:05:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 136 transitions. [2023-11-24 23:05:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:05:47,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:47,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:47,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:47,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:47,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 127 states and 137 transitions. [2023-11-24 23:05:47,464 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2023-11-24 23:05:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:05:47,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:47,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:47,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:47,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:47,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 128 states and 138 transitions. [2023-11-24 23:05:47,530 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2023-11-24 23:05:47,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:05:47,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:47,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:47,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:47,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 129 states and 139 transitions. [2023-11-24 23:05:47,576 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2023-11-24 23:05:47,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:05:47,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:47,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:47,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:47,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:47,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 130 states and 140 transitions. [2023-11-24 23:05:47,622 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 140 transitions. [2023-11-24 23:05:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:05:47,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:47,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:47,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:47,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 132 states and 143 transitions. [2023-11-24 23:05:47,692 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2023-11-24 23:05:47,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:05:47,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:47,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 133 states and 144 transitions. [2023-11-24 23:05:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2023-11-24 23:05:47,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:05:47,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:47,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:47,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:47,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:47,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-24 23:05:47,891 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-24 23:05:47,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:05:47,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:47,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:47,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-24 23:05:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-24 23:05:47,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:05:47,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:47,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:47,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:47,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-24 23:05:47,957 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-24 23:05:47,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:05:47,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:47,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:47,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:05:47,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:48,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:48,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 136 states and 147 transitions. [2023-11-24 23:05:48,067 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2023-11-24 23:05:48,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:05:48,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:48,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:48,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:05:48,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:48,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-24 23:05:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-24 23:05:48,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:05:48,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:48,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:48,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:05:48,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:48,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:48,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 153 states and 169 transitions. [2023-11-24 23:05:48,613 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2023-11-24 23:05:48,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:05:48,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:48,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:48,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:48,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 172 states and 194 transitions. [2023-11-24 23:05:49,423 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 194 transitions. [2023-11-24 23:05:49,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:05:49,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:49,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:49,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:49,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:49,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:50,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:50,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 192 states and 220 transitions. [2023-11-24 23:05:50,334 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 220 transitions. [2023-11-24 23:05:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:05:50,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:50,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:50,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:05:50,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:50,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:50,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 195 states and 225 transitions. [2023-11-24 23:05:50,889 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 225 transitions. [2023-11-24 23:05:50,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:05:50,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:50,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:50,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:05:50,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:51,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:51,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:51,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 198 states and 229 transitions. [2023-11-24 23:05:51,571 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 229 transitions. [2023-11-24 23:05:51,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:05:51,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:51,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:51,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:51,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:51,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:51,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 200 states and 233 transitions. [2023-11-24 23:05:51,956 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 233 transitions. [2023-11-24 23:05:51,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:05:51,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:51,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:51,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:51,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:52,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:52,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:52,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 206 states and 241 transitions. [2023-11-24 23:05:52,522 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 241 transitions. [2023-11-24 23:05:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:05:52,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:52,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:52,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:05:52,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:52,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:53,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:53,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 208 states and 244 transitions. [2023-11-24 23:05:53,293 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 244 transitions. [2023-11-24 23:05:53,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:05:53,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:53,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:53,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:05:53,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:53,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:54,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 212 states and 249 transitions. [2023-11-24 23:05:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 249 transitions. [2023-11-24 23:05:54,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:05:54,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:54,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:54,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:54,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:54,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:54,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 213 states and 251 transitions. [2023-11-24 23:05:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 251 transitions. [2023-11-24 23:05:54,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:05:54,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:54,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:54,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:05:54,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:54,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:55,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:55,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 215 states and 254 transitions. [2023-11-24 23:05:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 254 transitions. [2023-11-24 23:05:55,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:05:55,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:55,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:55,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:55,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:55,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:56,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:56,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 225 states and 270 transitions. [2023-11-24 23:05:56,320 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 270 transitions. [2023-11-24 23:05:56,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:05:56,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:56,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:56,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:56,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:56,428 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:56,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:56,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 226 states and 271 transitions. [2023-11-24 23:05:56,508 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 271 transitions. [2023-11-24 23:05:56,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:05:56,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:56,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:56,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:56,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:56,614 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:57,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:57,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 237 states and 288 transitions. [2023-11-24 23:05:57,695 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 288 transitions. [2023-11-24 23:05:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:05:57,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:57,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:57,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:57,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:57,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:57,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:57,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 239 states and 290 transitions. [2023-11-24 23:05:57,961 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 290 transitions. [2023-11-24 23:05:57,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:05:57,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:57,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:57,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:57,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:58,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:58,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:58,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 238 states and 289 transitions. [2023-11-24 23:05:58,114 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 289 transitions. [2023-11-24 23:05:58,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:05:58,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:58,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:58,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:58,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:58,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:58,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 243 states and 299 transitions. [2023-11-24 23:05:58,877 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 299 transitions. [2023-11-24 23:05:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:05:58,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:58,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:58,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:58,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:58,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 242 states and 298 transitions. [2023-11-24 23:05:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 298 transitions. [2023-11-24 23:05:58,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:05:58,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:58,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:59,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:05:59,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:59,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:59,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 248 states and 309 transitions. [2023-11-24 23:05:59,920 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 309 transitions. [2023-11-24 23:05:59,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 23:05:59,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:59,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:59,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:05:59,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 258 states and 326 transitions. [2023-11-24 23:06:02,121 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 326 transitions. [2023-11-24 23:06:02,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:06:02,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:02,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:02,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:06:02,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:04,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 273 states and 349 transitions. [2023-11-24 23:06:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 349 transitions. [2023-11-24 23:06:04,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:06:04,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:04,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:04,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:04,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:06:04,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:04,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 272 states and 348 transitions. [2023-11-24 23:06:04,351 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 348 transitions. [2023-11-24 23:06:04,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:06:04,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:04,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:04,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:04,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:04,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:06:04,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:04,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 271 states and 347 transitions. [2023-11-24 23:06:04,490 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 347 transitions. [2023-11-24 23:06:04,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:06:04,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:04,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:04,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:06:04,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:04,740 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:06,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:06,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 307 states and 424 transitions. [2023-11-24 23:06:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 424 transitions. [2023-11-24 23:06:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:06:06,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:06,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:06,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:06,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:06,950 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:06:07,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:07,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 306 states and 423 transitions. [2023-11-24 23:06:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 423 transitions. [2023-11-24 23:06:07,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:06:07,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:07,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:07,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:06:07,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:07,319 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:10,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:10,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 343 states and 502 transitions. [2023-11-24 23:06:10,266 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 502 transitions. [2023-11-24 23:06:10,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:06:10,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:10,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:10,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:10,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:06:10,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:10,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 342 states and 501 transitions. [2023-11-24 23:06:10,399 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 501 transitions. [2023-11-24 23:06:10,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:06:10,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:10,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:10,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:06:10,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:10,428 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:06:10,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:10,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 341 states and 500 transitions. [2023-11-24 23:06:10,452 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 500 transitions. [2023-11-24 23:06:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:06:10,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:10,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:10,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:06:10,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:10,725 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:13,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:13,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 367 states and 536 transitions. [2023-11-24 23:06:13,260 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 536 transitions. [2023-11-24 23:06:13,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:06:13,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:13,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:13,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:06:13,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:13,363 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:14,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:14,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 370 states and 540 transitions. [2023-11-24 23:06:14,274 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 540 transitions. [2023-11-24 23:06:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:06:14,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:14,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:14,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:14,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:14,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:06:16,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:16,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 381 states and 564 transitions. [2023-11-24 23:06:16,307 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 564 transitions. [2023-11-24 23:06:16,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:06:16,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:16,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:16,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:06:16,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:16,556 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:19,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:19,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 408 states and 600 transitions. [2023-11-24 23:06:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 600 transitions. [2023-11-24 23:06:19,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:06:19,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:19,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:19,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:06:19,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:19,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:20,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 411 states and 604 transitions. [2023-11-24 23:06:20,885 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 604 transitions. [2023-11-24 23:06:20,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:06:20,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:20,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:20,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:20,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:20,922 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 23:06:21,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:21,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 410 states and 603 transitions. [2023-11-24 23:06:21,284 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 603 transitions. [2023-11-24 23:06:21,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:06:21,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:21,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:21,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:21,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:21,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:06:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:21,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 409 states and 602 transitions. [2023-11-24 23:06:21,757 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 602 transitions. [2023-11-24 23:06:21,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:06:21,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:21,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:21,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:06:21,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:21,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:06:21,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 408 states and 601 transitions. [2023-11-24 23:06:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 601 transitions. [2023-11-24 23:06:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:06:21,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:21,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:21,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:21,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:22,077 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:06:22,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:22,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 422 states and 630 transitions. [2023-11-24 23:06:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 630 transitions. [2023-11-24 23:06:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 23:06:22,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:22,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:22,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:22,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:23,085 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:06:24,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 437 states and 659 transitions. [2023-11-24 23:06:24,439 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 659 transitions. [2023-11-24 23:06:24,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:06:24,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:24,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:24,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:24,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:24,488 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-24 23:06:24,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 436 states and 658 transitions. [2023-11-24 23:06:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 658 transitions. [2023-11-24 23:06:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:06:24,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:24,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:24,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:24,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:24,756 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:06:26,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:26,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 452 states and 689 transitions. [2023-11-24 23:06:26,136 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 689 transitions. [2023-11-24 23:06:26,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 23:06:26,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:26,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:26,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:26,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-24 23:06:26,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:26,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 451 states and 688 transitions. [2023-11-24 23:06:26,263 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 688 transitions. [2023-11-24 23:06:26,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 23:06:26,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:26,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:26,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:26,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:26,587 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:06:26,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:26,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 450 states and 687 transitions. [2023-11-24 23:06:26,815 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 687 transitions. [2023-11-24 23:06:26,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:06:26,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:26,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:26,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:26,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 23:06:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 449 states and 686 transitions. [2023-11-24 23:06:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 686 transitions. [2023-11-24 23:06:27,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:06:27,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:27,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:27,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:27,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:27,555 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:06:29,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:29,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 467 states and 718 transitions. [2023-11-24 23:06:29,980 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 718 transitions. [2023-11-24 23:06:29,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 23:06:29,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:29,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:30,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:30,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:30,020 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 23:06:30,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:30,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 466 states and 717 transitions. [2023-11-24 23:06:30,501 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 717 transitions. [2023-11-24 23:06:30,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:06:30,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:30,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:30,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:30,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:30,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:06:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:31,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 465 states and 716 transitions. [2023-11-24 23:06:31,563 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 716 transitions. [2023-11-24 23:06:31,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:06:31,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:31,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:31,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:31,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:31,696 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:06:32,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:32,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 464 states and 715 transitions. [2023-11-24 23:06:32,829 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 715 transitions. [2023-11-24 23:06:32,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:06:32,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:32,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:32,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:06:32,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.