./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.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_055ad51a-cc12-4965-89f7-db8cf6f02fc3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055ad51a-cc12-4965-89f7-db8cf6f02fc3/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_055ad51a-cc12-4965-89f7-db8cf6f02fc3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055ad51a-cc12-4965-89f7-db8cf6f02fc3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055ad51a-cc12-4965-89f7-db8cf6f02fc3/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_055ad51a-cc12-4965-89f7-db8cf6f02fc3/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 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:30,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:31,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055ad51a-cc12-4965-89f7-db8cf6f02fc3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:09:31,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:31,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:31,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:31,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:31,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:31,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:31,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:31,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:31,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:31,085 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:31,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:31,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:31,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:31,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:31,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:31,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:31,089 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:09:31,089 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:09:31,090 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:31,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:31,091 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:31,091 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:31,092 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:31,092 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:31,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:31,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:31,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:31,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:31,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:31,095 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:31,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:31,096 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:31,096 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_055ad51a-cc12-4965-89f7-db8cf6f02fc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055ad51a-cc12-4965-89f7-db8cf6f02fc3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 [2023-11-24 23:09:31,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:31,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:31,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:31,432 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:31,433 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:31,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055ad51a-cc12-4965-89f7-db8cf6f02fc3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2023-11-24 23:09:34,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:34,785 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:34,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055ad51a-cc12-4965-89f7-db8cf6f02fc3/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2023-11-24 23:09:34,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055ad51a-cc12-4965-89f7-db8cf6f02fc3/bin/ukojak-verify-afCqCEvfdi/data/98874b14c/5c263aa1cbe54e9cb01c8526015c1ced/FLAGc7f27e174 [2023-11-24 23:09:34,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055ad51a-cc12-4965-89f7-db8cf6f02fc3/bin/ukojak-verify-afCqCEvfdi/data/98874b14c/5c263aa1cbe54e9cb01c8526015c1ced [2023-11-24 23:09:34,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:34,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:34,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:34,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:34,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:34,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:34" (1/1) ... [2023-11-24 23:09:34,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259d96fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:34, skipping insertion in model container [2023-11-24 23:09:34,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:34" (1/1) ... [2023-11-24 23:09:34,853 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:35,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:35,097 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:35,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:35,134 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:35,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:35 WrapperNode [2023-11-24 23:09:35,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:35,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:35,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:35,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:35,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:35" (1/1) ... [2023-11-24 23:09:35,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:35" (1/1) ... [2023-11-24 23:09:35,176 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2023-11-24 23:09:35,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:35,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:35,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:35,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:35,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:35" (1/1) ... [2023-11-24 23:09:35,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:35" (1/1) ... [2023-11-24 23:09:35,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:35" (1/1) ... [2023-11-24 23:09:35,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:35" (1/1) ... [2023-11-24 23:09:35,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:35" (1/1) ... [2023-11-24 23:09:35,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:35" (1/1) ... [2023-11-24 23:09:35,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:35" (1/1) ... [2023-11-24 23:09:35,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:35" (1/1) ... [2023-11-24 23:09:35,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:35,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:35,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:35,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:35,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:35" (1/1) ... [2023-11-24 23:09:35,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:35,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055ad51a-cc12-4965-89f7-db8cf6f02fc3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:35,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055ad51a-cc12-4965-89f7-db8cf6f02fc3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:35,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_055ad51a-cc12-4965-89f7-db8cf6f02fc3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:35,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:35,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:35,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:35,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:35,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:09:35,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:09:35,367 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:35,370 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:35,808 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:35,846 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:35,846 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:09:35,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:35 BoogieIcfgContainer [2023-11-24 23:09:35,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:35,866 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:35,866 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:35,877 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:35,879 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:35" (1/1) ... [2023-11-24 23:09:35,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 118 states and 125 transitions. [2023-11-24 23:09:36,007 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 125 transitions. [2023-11-24 23:09:36,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:09:36,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:36,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:36,176 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 23:09:36,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:36,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 118 states and 124 transitions. [2023-11-24 23:09:36,210 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2023-11-24 23:09:36,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:09:36,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:36,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:36,373 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 23:09:36,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:36,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2023-11-24 23:09:36,424 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2023-11-24 23:09:36,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:09:36,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:36,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:36,511 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 23:09:36,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:36,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2023-11-24 23:09:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2023-11-24 23:09:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:09:36,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:36,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:36,574 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 23:09:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:36,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 126 states and 136 transitions. [2023-11-24 23:09:36,721 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 136 transitions. [2023-11-24 23:09:36,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:09:36,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:36,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:36,762 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 23:09:36,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:36,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 127 states and 137 transitions. [2023-11-24 23:09:36,802 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2023-11-24 23:09:36,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:36,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:36,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:36,863 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 23:09:36,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:36,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 128 states and 138 transitions. [2023-11-24 23:09:36,877 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2023-11-24 23:09:36,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:36,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:36,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:36,919 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 23:09:36,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:36,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 129 states and 139 transitions. [2023-11-24 23:09:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2023-11-24 23:09:36,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:09:36,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:36,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:36,984 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 23:09:36,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:36,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 130 states and 140 transitions. [2023-11-24 23:09:36,999 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 140 transitions. [2023-11-24 23:09:37,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:09:37,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,074 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 23:09:37,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 132 states and 143 transitions. [2023-11-24 23:09:37,101 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2023-11-24 23:09:37,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:09:37,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,137 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 23:09:37,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 133 states and 144 transitions. [2023-11-24 23:09:37,153 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2023-11-24 23:09:37,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:09:37,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,193 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 23:09:37,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-24 23:09:37,217 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-24 23:09:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:09:37,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,268 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 23:09:37,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-24 23:09:37,287 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-24 23:09:37,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:09:37,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,313 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 23:09:37,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-24 23:09:37,324 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-24 23:09:37,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:09:37,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:37,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:37,416 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 23:09:37,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 136 states and 147 transitions. [2023-11-24 23:09:37,459 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2023-11-24 23:09:37,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:09:37,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:09:37,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:37,509 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 23:09:37,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-24 23:09:37,518 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-24 23:09:37,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:37,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:37,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:37,616 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 23:09:38,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:38,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 153 states and 169 transitions. [2023-11-24 23:09:38,038 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2023-11-24 23:09:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:09:38,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:38,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:38,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:38,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:38,157 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 23:09:38,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:38,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 172 states and 194 transitions. [2023-11-24 23:09:38,709 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 194 transitions. [2023-11-24 23:09:38,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:09:38,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:38,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:38,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:38,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:38,826 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 23:09:39,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 192 states and 220 transitions. [2023-11-24 23:09:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 220 transitions. [2023-11-24 23:09:39,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:09:39,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:39,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:39,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:39,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:39,791 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 23:09:40,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 195 states and 225 transitions. [2023-11-24 23:09:40,099 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 225 transitions. [2023-11-24 23:09:40,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:09:40,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:40,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:40,345 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 23:09:40,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 198 states and 229 transitions. [2023-11-24 23:09:40,786 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 229 transitions. [2023-11-24 23:09:40,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:09:40,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:40,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:40,908 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 23:09:41,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:41,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 200 states and 233 transitions. [2023-11-24 23:09:41,169 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 233 transitions. [2023-11-24 23:09:41,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:09:41,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:41,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:41,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:41,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:41,300 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 23:09:41,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:41,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 206 states and 241 transitions. [2023-11-24 23:09:41,689 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 241 transitions. [2023-11-24 23:09:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:09:41,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:41,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:41,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:41,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:41,848 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 23:09:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:42,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 208 states and 244 transitions. [2023-11-24 23:09:42,419 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 244 transitions. [2023-11-24 23:09:42,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:09:42,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:42,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:42,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:42,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:42,720 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 23:09:43,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 212 states and 249 transitions. [2023-11-24 23:09:43,144 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 249 transitions. [2023-11-24 23:09:43,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:09:43,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:43,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:43,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:43,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:43,246 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 23:09:43,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:43,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 213 states and 251 transitions. [2023-11-24 23:09:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 251 transitions. [2023-11-24 23:09:43,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:09:43,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:43,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:43,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:43,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:43,816 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 23:09:44,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:44,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 215 states and 254 transitions. [2023-11-24 23:09:44,041 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 254 transitions. [2023-11-24 23:09:44,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:09:44,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:44,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:44,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:44,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:44,162 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 23:09:45,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:45,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 225 states and 270 transitions. [2023-11-24 23:09:45,086 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 270 transitions. [2023-11-24 23:09:45,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:09:45,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:45,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:45,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:45,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:45,205 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 23:09:45,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:45,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 226 states and 271 transitions. [2023-11-24 23:09:45,312 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 271 transitions. [2023-11-24 23:09:45,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:09:45,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:45,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:45,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:45,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:45,411 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 23:09:46,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:46,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 237 states and 288 transitions. [2023-11-24 23:09:46,445 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 288 transitions. [2023-11-24 23:09:46,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:09:46,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:46,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:46,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:46,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:46,552 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 23:09:46,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:46,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 239 states and 290 transitions. [2023-11-24 23:09:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 290 transitions. [2023-11-24 23:09:46,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:09:46,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:46,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:46,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:46,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:46,816 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 23:09:46,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:46,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 238 states and 289 transitions. [2023-11-24 23:09:46,880 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 289 transitions. [2023-11-24 23:09:46,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:09:46,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:46,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:46,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:46,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:46,966 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 23:09:47,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:47,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 243 states and 299 transitions. [2023-11-24 23:09:47,636 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 299 transitions. [2023-11-24 23:09:47,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:09:47,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:47,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:47,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:47,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:47,715 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 23:09:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:47,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 242 states and 298 transitions. [2023-11-24 23:09:47,797 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 298 transitions. [2023-11-24 23:09:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:09:47,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:47,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:47,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:47,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:47,912 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 23:09:48,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:48,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 248 states and 309 transitions. [2023-11-24 23:09:48,722 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 309 transitions. [2023-11-24 23:09:48,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 23:09:48,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:48,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:48,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:48,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:49,025 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 23:09:50,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:50,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 258 states and 326 transitions. [2023-11-24 23:09:50,831 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 326 transitions. [2023-11-24 23:09:50,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:09:50,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:50,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:50,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:50,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:51,150 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 23:09:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:52,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 273 states and 349 transitions. [2023-11-24 23:09:52,798 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 349 transitions. [2023-11-24 23:09:52,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:09:52,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:52,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:52,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:52,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:52,880 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 23:09:53,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:53,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 272 states and 348 transitions. [2023-11-24 23:09:53,029 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 348 transitions. [2023-11-24 23:09:53,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:09:53,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:53,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:53,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:53,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:53,124 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 23:09:53,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:53,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 271 states and 347 transitions. [2023-11-24 23:09:53,186 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 347 transitions. [2023-11-24 23:09:53,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:09:53,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:53,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:53,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:53,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:53,463 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 23:09:55,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:55,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 307 states and 424 transitions. [2023-11-24 23:09:55,483 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 424 transitions. [2023-11-24 23:09:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:09:55,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:55,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:55,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:55,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:55,561 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 23:09:55,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 306 states and 423 transitions. [2023-11-24 23:09:55,616 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 423 transitions. [2023-11-24 23:09:55,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:09:55,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:55,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:55,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:55,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:55,920 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:58,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:58,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 343 states and 502 transitions. [2023-11-24 23:09:58,688 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 502 transitions. [2023-11-24 23:09:58,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:09:58,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:58,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:58,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:58,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:58,785 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 23:09:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 342 states and 501 transitions. [2023-11-24 23:09:58,856 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 501 transitions. [2023-11-24 23:09:58,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:09:58,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:58,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:58,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:09:58,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:58,931 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 23:09:58,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:58,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 341 states and 500 transitions. [2023-11-24 23:09:58,956 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 500 transitions. [2023-11-24 23:09:58,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:09:58,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:58,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:58,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:58,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:59,196 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 23:10:01,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:01,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 367 states and 536 transitions. [2023-11-24 23:10:01,703 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 536 transitions. [2023-11-24 23:10:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:10:01,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:01,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:01,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:01,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:01,921 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 23:10:03,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 378 states and 560 transitions. [2023-11-24 23:10:03,331 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 560 transitions. [2023-11-24 23:10:03,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:10:03,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:03,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:03,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:10:03,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:03,553 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 23:10:06,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:06,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 405 states and 596 transitions. [2023-11-24 23:10:06,518 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 596 transitions. [2023-11-24 23:10:06,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:10:06,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:06,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:06,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:06,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:06,553 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 23:10:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 404 states and 595 transitions. [2023-11-24 23:10:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 595 transitions. [2023-11-24 23:10:06,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:10:06,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:06,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:06,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:06,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:06,971 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 23:10:07,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:07,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 403 states and 594 transitions. [2023-11-24 23:10:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 594 transitions. [2023-11-24 23:10:07,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:10:07,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:07,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:07,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:10:07,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:07,341 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 23:10:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:07,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 402 states and 593 transitions. [2023-11-24 23:10:07,367 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 593 transitions. [2023-11-24 23:10:07,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:10:07,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:07,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:07,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:07,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:07,547 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 23:10:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 416 states and 622 transitions. [2023-11-24 23:10:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 622 transitions. [2023-11-24 23:10:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 23:10:08,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:08,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:08,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:08,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:08,334 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 23:10:09,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 431 states and 651 transitions. [2023-11-24 23:10:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 651 transitions. [2023-11-24 23:10:09,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:10:09,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:09,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:09,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:09,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:09,399 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 23:10:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 430 states and 650 transitions. [2023-11-24 23:10:09,461 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 650 transitions. [2023-11-24 23:10:09,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:10:09,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:09,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:09,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:09,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:09,620 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 23:10:10,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:10,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 446 states and 681 transitions. [2023-11-24 23:10:10,904 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 681 transitions. [2023-11-24 23:10:10,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 23:10:10,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:10,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:10,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:10,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:10,949 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 23:10:11,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:11,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 445 states and 680 transitions. [2023-11-24 23:10:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 680 transitions. [2023-11-24 23:10:11,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 23:10:11,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:11,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:11,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:11,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:11,231 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 23:10:11,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:11,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 444 states and 679 transitions. [2023-11-24 23:10:11,428 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 679 transitions. [2023-11-24 23:10:11,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:10:11,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:11,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:11,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:11,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:11,471 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 23:10:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:11,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 443 states and 678 transitions. [2023-11-24 23:10:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 678 transitions. [2023-11-24 23:10:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:10:11,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:11,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:11,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:11,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:12,127 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 23:10:14,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:14,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 461 states and 710 transitions. [2023-11-24 23:10:14,184 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 710 transitions. [2023-11-24 23:10:14,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 23:10:14,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:14,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:14,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:14,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:14,226 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 23:10:14,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:14,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 460 states and 709 transitions. [2023-11-24 23:10:14,629 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 709 transitions. [2023-11-24 23:10:14,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:10:14,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:14,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:14,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:14,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:14,705 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 23:10:15,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:15,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 459 states and 708 transitions. [2023-11-24 23:10:15,584 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 708 transitions. [2023-11-24 23:10:15,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 23:10:15,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:15,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:15,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:15,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:15,667 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 23:10:16,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:16,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 458 states and 707 transitions. [2023-11-24 23:10:16,635 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 707 transitions. [2023-11-24 23:10:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:10:16,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:16,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:16,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:10:16,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:18,209 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:19,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:19,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 468 states and 727 transitions. [2023-11-24 23:10:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 727 transitions. [2023-11-24 23:10:19,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 23:10:19,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:19,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:19,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:19,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:19,576 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 23:10:21,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:21,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 467 states and 726 transitions. [2023-11-24 23:10:21,352 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 726 transitions. [2023-11-24 23:10:21,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 23:10:21,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:21,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:21,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.