./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2 --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 df76811034b688387cfe28dd1eb6de91c21580662ac8ddb8163b41c1d6179172 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:27:53,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:27:53,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:27:53,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:27:53,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:27:53,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:27:53,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:27:53,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:27:53,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:27:53,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:27:53,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:27:53,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:27:53,391 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:27:53,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:27:53,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:27:53,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:27:53,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:27:53,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:27:53,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:27:53,397 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:27:53,397 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:27:53,398 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:27:53,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:27:53,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:27:53,400 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:27:53,400 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:27:53,401 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:27:53,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:27:53,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:53,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:27:53,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:27:53,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:27:53,404 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:27:53,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:27:53,405 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:27:53,405 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_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df76811034b688387cfe28dd1eb6de91c21580662ac8ddb8163b41c1d6179172 [2023-11-21 18:27:53,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:27:53,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:27:53,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:27:53,800 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:27:53,801 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:27:53,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c [2023-11-21 18:27:57,291 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:27:57,537 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:27:57,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c [2023-11-21 18:27:57,546 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2/data/db419e432/2f1bb26327ba485ebf0c2384ac022380/FLAGe4e2dd37c [2023-11-21 18:27:57,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2/data/db419e432/2f1bb26327ba485ebf0c2384ac022380 [2023-11-21 18:27:57,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:27:57,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:27:57,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:57,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:27:57,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:27:57,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:57" (1/1) ... [2023-11-21 18:27:57,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b6c865a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:57, skipping insertion in model container [2023-11-21 18:27:57,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:57" (1/1) ... [2023-11-21 18:27:57,602 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:27:57,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:57,832 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:27:57,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:57,878 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:27:57,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:57 WrapperNode [2023-11-21 18:27:57,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:57,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:57,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:27:57,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:27:57,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:57" (1/1) ... [2023-11-21 18:27:57,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:57" (1/1) ... [2023-11-21 18:27:57,921 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2023-11-21 18:27:57,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:57,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:27:57,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:27:57,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:27:57,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:57" (1/1) ... [2023-11-21 18:27:57,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:57" (1/1) ... [2023-11-21 18:27:57,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:57" (1/1) ... [2023-11-21 18:27:57,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:57" (1/1) ... [2023-11-21 18:27:57,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:57" (1/1) ... [2023-11-21 18:27:57,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:57" (1/1) ... [2023-11-21 18:27:57,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:57" (1/1) ... [2023-11-21 18:27:57,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:57" (1/1) ... [2023-11-21 18:27:57,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:27:57,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:27:57,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:27:57,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:27:57,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:57" (1/1) ... [2023-11-21 18:27:57,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:57,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:27:57,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:27:58,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ef3c22-b6c0-4924-b1c6-51e61fcabcba/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:27:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:27:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:27:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:27:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:27:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:27:58,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:27:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:27:58,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:27:58,112 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:27:58,114 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:27:58,358 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:27:58,465 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:27:58,465 INFO L308 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-21 18:27:58,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:58 BoogieIcfgContainer [2023-11-21 18:27:58,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:27:58,469 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:27:58,469 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:27:58,482 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:27:58,483 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:58" (1/1) ... [2023-11-21 18:27:58,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:27:58,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:58,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 48 states and 53 transitions. [2023-11-21 18:27:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2023-11-21 18:27:58,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:27:58,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:58,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:58,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:27:58,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:27:58,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:58,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2023-11-21 18:27:58,858 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2023-11-21 18:27:58,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:27:58,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:58,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:58,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:27:58,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:27:58,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:58,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:58,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 67 transitions. [2023-11-21 18:27:58,968 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-21 18:27:58,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:27:58,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:58,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:59,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:27:59,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:27:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:59,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:59,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2023-11-21 18:27:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2023-11-21 18:27:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:27:59,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:59,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:59,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:27:59,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:27:59,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:59,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:59,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2023-11-21 18:27:59,377 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2023-11-21 18:27:59,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:27:59,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:59,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:59,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:27:59,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:27:59,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:59,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:59,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 88 transitions. [2023-11-21 18:27:59,556 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-21 18:27:59,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:27:59,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:59,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:59,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:27:59,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:27:59,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:59,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:59,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2023-11-21 18:27:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2023-11-21 18:27:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:27:59,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:59,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:59,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:27:59,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:27:59,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:00,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:00,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 68 states and 102 transitions. [2023-11-21 18:28:00,148 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2023-11-21 18:28:00,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:28:00,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:00,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:00,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:00,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:00,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:00,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 108 transitions. [2023-11-21 18:28:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2023-11-21 18:28:00,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:28:00,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:00,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:00,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:28:00,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:00,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 115 transitions. [2023-11-21 18:28:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2023-11-21 18:28:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:28:00,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:00,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:00,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:00,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:00,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:01,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 76 states and 117 transitions. [2023-11-21 18:28:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions. [2023-11-21 18:28:01,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:28:01,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:01,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:01,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:01,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:01,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 78 states and 119 transitions. [2023-11-21 18:28:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 119 transitions. [2023-11-21 18:28:01,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:28:01,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:01,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:01,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:28:01,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:01,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2023-11-21 18:28:01,929 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2023-11-21 18:28:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:28:01,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:01,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:01,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:01,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:02,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:02,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:02,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 84 states and 129 transitions. [2023-11-21 18:28:02,252 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2023-11-21 18:28:02,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:28:02,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:02,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:02,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:02,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:02,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:02,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 86 states and 133 transitions. [2023-11-21 18:28:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 133 transitions. [2023-11-21 18:28:02,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:28:02,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:02,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:02,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:02,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:02,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 88 states and 140 transitions. [2023-11-21 18:28:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 140 transitions. [2023-11-21 18:28:02,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:28:02,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:02,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:02,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:02,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:02,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:03,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 92 states and 151 transitions. [2023-11-21 18:28:03,599 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 151 transitions. [2023-11-21 18:28:03,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:28:03,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:03,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:03,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:03,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:03,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:04,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:04,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 95 states and 156 transitions. [2023-11-21 18:28:04,189 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 156 transitions. [2023-11-21 18:28:04,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:28:04,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:04,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:04,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:04,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:04,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:04,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:04,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 98 states and 163 transitions. [2023-11-21 18:28:04,845 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 163 transitions. [2023-11-21 18:28:04,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:28:04,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:04,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:04,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:04,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:04,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:05,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:05,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 102 states and 172 transitions. [2023-11-21 18:28:06,000 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 172 transitions. [2023-11-21 18:28:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:28:06,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:06,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:06,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:06,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:06,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:06,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:06,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 103 states and 174 transitions. [2023-11-21 18:28:06,261 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 174 transitions. [2023-11-21 18:28:06,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:28:06,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:06,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:06,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:28:06,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:06,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:06,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:06,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 177 transitions. [2023-11-21 18:28:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2023-11-21 18:28:07,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:28:07,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:07,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:07,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:28:07,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 109 states and 182 transitions. [2023-11-21 18:28:07,810 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 182 transitions. [2023-11-21 18:28:07,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:28:07,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:07,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:07,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:28:07,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:07,998 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:08,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:08,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 116 states and 190 transitions. [2023-11-21 18:28:08,833 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 190 transitions. [2023-11-21 18:28:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:28:08,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:08,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:08,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:08,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:28:09,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:09,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 118 states and 192 transitions. [2023-11-21 18:28:09,144 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 192 transitions. [2023-11-21 18:28:09,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:28:09,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:09,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:09,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:28:09,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:09,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:09,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 125 states and 199 transitions. [2023-11-21 18:28:09,636 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 199 transitions. [2023-11-21 18:28:09,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:28:09,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:09,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:09,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:09,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:09,758 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:09,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:09,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 127 states and 209 transitions. [2023-11-21 18:28:09,949 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 209 transitions. [2023-11-21 18:28:09,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:28:09,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:09,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:09,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:09,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:09,998 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:28:10,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:10,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 130 states and 213 transitions. [2023-11-21 18:28:10,441 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 213 transitions. [2023-11-21 18:28:10,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:28:10,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:10,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:10,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:10,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:10,511 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:28:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:10,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-11-21 18:28:10,967 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-11-21 18:28:10,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:28:10,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:10,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:10,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:10,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:11,024 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:28:11,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:11,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 135 states and 219 transitions. [2023-11-21 18:28:11,297 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 219 transitions. [2023-11-21 18:28:11,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:28:11,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:11,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:11,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:11,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:11,354 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:28:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 135 states and 218 transitions. [2023-11-21 18:28:11,622 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2023-11-21 18:28:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:28:11,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:11,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:11,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:28:11,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:12,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:12,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 138 states and 220 transitions. [2023-11-21 18:28:12,296 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 220 transitions. [2023-11-21 18:28:12,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:28:12,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:12,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:12,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:28:12,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:12,542 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:13,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:13,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 142 states and 225 transitions. [2023-11-21 18:28:13,297 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 225 transitions. [2023-11-21 18:28:13,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:28:13,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:13,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:13,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:28:13,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:13,485 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:13,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:13,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 145 states and 228 transitions. [2023-11-21 18:28:13,665 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 228 transitions. [2023-11-21 18:28:13,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:28:13,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:13,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:13,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:28:13,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:14,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:14,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 152 states and 235 transitions. [2023-11-21 18:28:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 235 transitions. [2023-11-21 18:28:14,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:28:14,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:14,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:14,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:28:14,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:14,353 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 154 states and 245 transitions. [2023-11-21 18:28:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 245 transitions. [2023-11-21 18:28:14,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:28:14,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:14,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:14,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:14,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:14,685 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-21 18:28:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 157 states and 250 transitions. [2023-11-21 18:28:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 250 transitions. [2023-11-21 18:28:15,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:28:15,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:15,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:15,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:15,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:28:15,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 160 states and 254 transitions. [2023-11-21 18:28:15,801 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 254 transitions. [2023-11-21 18:28:15,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:28:15,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:15,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:15,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:15,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:15,883 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:28:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:16,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 162 states and 256 transitions. [2023-11-21 18:28:16,166 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2023-11-21 18:28:16,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:28:16,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:16,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:16,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:16,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:16,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-21 18:28:16,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:16,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 162 states and 255 transitions. [2023-11-21 18:28:16,533 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 255 transitions. [2023-11-21 18:28:16,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:28:16,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:16,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:16,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:28:16,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:16,835 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:17,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:17,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 165 states and 257 transitions. [2023-11-21 18:28:17,320 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 257 transitions. [2023-11-21 18:28:17,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:28:17,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:17,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:17,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:28:17,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:17,606 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:18,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:18,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 169 states and 262 transitions. [2023-11-21 18:28:18,316 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 262 transitions. [2023-11-21 18:28:18,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:28:18,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:18,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:18,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:28:18,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:18,543 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:18,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:18,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 172 states and 265 transitions. [2023-11-21 18:28:18,761 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 265 transitions. [2023-11-21 18:28:18,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:28:18,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:18,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:18,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:28:18,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:18,963 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 179 states and 272 transitions. [2023-11-21 18:28:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 272 transitions. [2023-11-21 18:28:19,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:28:19,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:19,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:19,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:28:19,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:19,556 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:19,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:19,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 181 states and 282 transitions. [2023-11-21 18:28:19,787 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 282 transitions. [2023-11-21 18:28:19,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:28:19,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:19,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:19,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:19,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:19,873 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-21 18:28:20,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:20,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 184 states and 286 transitions. [2023-11-21 18:28:20,486 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 286 transitions. [2023-11-21 18:28:20,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:28:20,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:20,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:20,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:20,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:20,572 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:28:21,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:21,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 187 states and 290 transitions. [2023-11-21 18:28:21,123 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 290 transitions. [2023-11-21 18:28:21,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:28:21,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:21,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:21,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:21,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-21 18:28:21,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:21,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 189 states and 292 transitions. [2023-11-21 18:28:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 292 transitions. [2023-11-21 18:28:21,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:28:21,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:21,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:21,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:21,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:28:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:21,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 189 states and 291 transitions. [2023-11-21 18:28:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 291 transitions. [2023-11-21 18:28:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:28:21,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:21,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:21,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:28:21,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:22,277 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:22,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:22,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 192 states and 293 transitions. [2023-11-21 18:28:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 293 transitions. [2023-11-21 18:28:22,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:28:22,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:22,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:22,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:28:22,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:23,179 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:24,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 196 states and 298 transitions. [2023-11-21 18:28:24,114 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 298 transitions. [2023-11-21 18:28:24,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:28:24,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:24,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:24,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:28:24,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:24,328 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:24,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 199 states and 301 transitions. [2023-11-21 18:28:24,500 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 301 transitions. [2023-11-21 18:28:24,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:28:24,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:24,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:24,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:28:24,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:24,727 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:25,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:25,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 206 states and 308 transitions. [2023-11-21 18:28:25,124 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 308 transitions. [2023-11-21 18:28:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:28:25,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:25,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:25,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:28:25,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:25,336 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:25,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:25,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 208 states and 318 transitions. [2023-11-21 18:28:25,594 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 318 transitions. [2023-11-21 18:28:25,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:28:25,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:25,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:25,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:25,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:25,710 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-21 18:28:26,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:26,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 211 states and 323 transitions. [2023-11-21 18:28:26,280 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 323 transitions. [2023-11-21 18:28:26,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:28:26,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:26,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:26,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:26,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:26,368 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-21 18:28:26,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:26,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 214 states and 327 transitions. [2023-11-21 18:28:26,937 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 327 transitions. [2023-11-21 18:28:26,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:28:26,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:26,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:26,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:26,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:27,026 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-21 18:28:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:27,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 214 states and 326 transitions. [2023-11-21 18:28:27,373 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 326 transitions. [2023-11-21 18:28:27,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:28:27,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:27,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:27,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:27,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-21 18:28:27,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:27,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 216 states and 328 transitions. [2023-11-21 18:28:27,779 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 328 transitions. [2023-11-21 18:28:27,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:28:27,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:27,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:27,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:28:27,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:28,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:28,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 219 states and 330 transitions. [2023-11-21 18:28:28,638 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 330 transitions. [2023-11-21 18:28:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:28:28,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:28,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:28,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:28:28,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:29,050 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:30,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:30,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 223 states and 335 transitions. [2023-11-21 18:28:30,046 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 335 transitions. [2023-11-21 18:28:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:28:30,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:30,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:30,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:28:30,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:30,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:30,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 226 states and 338 transitions. [2023-11-21 18:28:30,628 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 338 transitions. [2023-11-21 18:28:30,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:28:30,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:30,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:30,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:28:30,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 7 proven. 75 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:31,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:31,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 233 states and 345 transitions. [2023-11-21 18:28:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 345 transitions. [2023-11-21 18:28:31,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:28:31,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:31,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:31,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:28:31,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:31,660 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:31,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:31,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 235 states and 355 transitions. [2023-11-21 18:28:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 355 transitions. [2023-11-21 18:28:31,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:28:31,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:31,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:31,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:31,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:32,040 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-21 18:28:32,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:32,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 238 states and 360 transitions. [2023-11-21 18:28:32,689 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 360 transitions. [2023-11-21 18:28:32,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:28:32,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:32,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:32,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:32,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:32,798 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-11-21 18:28:33,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:33,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 241 states and 364 transitions. [2023-11-21 18:28:33,558 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 364 transitions. [2023-11-21 18:28:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:28:33,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:33,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:33,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:33,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-11-21 18:28:34,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:34,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 243 states and 366 transitions. [2023-11-21 18:28:34,049 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 366 transitions. [2023-11-21 18:28:34,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:28:34,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:34,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:34,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:34,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-21 18:28:34,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:34,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 243 states and 365 transitions. [2023-11-21 18:28:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 365 transitions. [2023-11-21 18:28:34,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:28:34,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:34,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:34,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:28:34,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:35,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 246 states and 367 transitions. [2023-11-21 18:28:35,851 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 367 transitions. [2023-11-21 18:28:35,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:28:35,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:35,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:35,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:28:35,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:36,238 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:37,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 250 states and 372 transitions. [2023-11-21 18:28:37,178 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 372 transitions. [2023-11-21 18:28:37,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:28:37,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:37,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:37,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:28:37,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:37,466 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:37,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:37,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 253 states and 375 transitions. [2023-11-21 18:28:37,783 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 375 transitions. [2023-11-21 18:28:37,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:28:37,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:37,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:37,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:28:37,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:38,085 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 8 proven. 111 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:38,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:38,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 260 states and 382 transitions. [2023-11-21 18:28:38,638 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 382 transitions. [2023-11-21 18:28:38,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:28:38,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:38,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:38,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:28:38,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:38,871 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:39,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 262 states and 392 transitions. [2023-11-21 18:28:39,175 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 392 transitions. [2023-11-21 18:28:39,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:28:39,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:39,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:39,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:39,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:39,294 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:28:40,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:40,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 265 states and 397 transitions. [2023-11-21 18:28:40,077 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 397 transitions. [2023-11-21 18:28:40,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:28:40,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:40,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:40,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:40,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:40,189 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-11-21 18:28:40,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:40,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 268 states and 401 transitions. [2023-11-21 18:28:40,888 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 401 transitions. [2023-11-21 18:28:40,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:28:40,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:40,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:40,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:40,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:41,018 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-11-21 18:28:41,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:41,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 270 states and 403 transitions. [2023-11-21 18:28:41,425 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 403 transitions. [2023-11-21 18:28:41,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:28:41,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:41,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:41,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:41,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:41,583 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:28:42,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:42,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 270 states and 402 transitions. [2023-11-21 18:28:42,100 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 402 transitions. [2023-11-21 18:28:42,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:28:42,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:42,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:42,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:28:42,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:43,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:43,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 273 states and 404 transitions. [2023-11-21 18:28:43,333 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 404 transitions. [2023-11-21 18:28:43,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:28:43,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:43,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:43,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:28:43,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:44,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:44,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 277 states and 409 transitions. [2023-11-21 18:28:44,796 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 409 transitions. [2023-11-21 18:28:44,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:28:44,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:44,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:44,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:28:44,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:45,156 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:45,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:45,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 280 states and 412 transitions. [2023-11-21 18:28:45,436 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 412 transitions. [2023-11-21 18:28:45,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:28:45,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:45,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:45,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:28:45,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:45,797 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 9 proven. 154 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.