./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL/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_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --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-9bd2c7f [2023-11-19 03:01:29,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:01:29,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:01:29,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:01:29,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:01:29,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:01:29,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:01:29,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:01:29,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:01:29,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:01:29,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:01:29,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:01:29,465 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:01:29,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:01:29,467 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:01:29,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:01:29,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:01:29,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:01:29,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:01:29,469 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:01:29,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:01:29,470 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:01:29,471 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:01:29,471 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:01:29,472 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:01:29,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:01:29,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:29,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:01:29,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:01:29,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:01:29,476 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:01:29,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:01:29,476 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:01:29,477 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_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df76811034b688387cfe28dd1eb6de91c21580662ac8ddb8163b41c1d6179172 [2023-11-19 03:01:29,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:01:29,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:01:29,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:01:29,818 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:01:29,819 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:01:29,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c [2023-11-19 03:01:32,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:01:33,061 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:01:33,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c [2023-11-19 03:01:33,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL/data/71b017c38/f0793d9b37fd4ebcb05fec36211c3ad8/FLAG71428f72d [2023-11-19 03:01:33,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL/data/71b017c38/f0793d9b37fd4ebcb05fec36211c3ad8 [2023-11-19 03:01:33,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:01:33,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:01:33,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:33,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:01:33,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:01:33,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:33" (1/1) ... [2023-11-19 03:01:33,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf568a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:33, skipping insertion in model container [2023-11-19 03:01:33,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:33" (1/1) ... [2023-11-19 03:01:33,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:01:33,329 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c[333,346] [2023-11-19 03:01:33,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:33,376 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:01:33,392 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c[333,346] [2023-11-19 03:01:33,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:33,434 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:01:33,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:33 WrapperNode [2023-11-19 03:01:33,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:33,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:33,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:01:33,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:01:33,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:33" (1/1) ... [2023-11-19 03:01:33,464 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:33" (1/1) ... [2023-11-19 03:01:33,489 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-11-19 03:01:33,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:33,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:01:33,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:01:33,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:01:33,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:33" (1/1) ... [2023-11-19 03:01:33,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:33" (1/1) ... [2023-11-19 03:01:33,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:33" (1/1) ... [2023-11-19 03:01:33,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:33" (1/1) ... [2023-11-19 03:01:33,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:33" (1/1) ... [2023-11-19 03:01:33,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:33" (1/1) ... [2023-11-19 03:01:33,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:33" (1/1) ... [2023-11-19 03:01:33,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:33" (1/1) ... [2023-11-19 03:01:33,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:01:33,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:01:33,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:01:33,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:01:33,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:33" (1/1) ... [2023-11-19 03:01:33,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:33,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:01:33,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:01:33,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bcbc92-e6d3-4db6-9ad3-dc8f0b967d14/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:01:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:01:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:01:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:01:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:01:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:01:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:01:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:01:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:01:33,728 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:01:33,731 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:01:33,953 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:01:33,992 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:01:33,992 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:01:33,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:33 BoogieIcfgContainer [2023-11-19 03:01:33,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:01:33,999 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:01:33,999 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:01:34,018 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:01:34,019 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:33" (1/1) ... [2023-11-19 03:01:34,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:01:34,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-19 03:01:34,096 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-19 03:01:34,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:01:34,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:34,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:34,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:34,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:34,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2023-11-19 03:01:34,442 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2023-11-19 03:01:34,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:01:34,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:34,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:34,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:34,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:34,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:34,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:34,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2023-11-19 03:01:34,628 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2023-11-19 03:01:34,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:01:34,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:34,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:34,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:34,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:34,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:34,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:34,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 15 states and 25 transitions. [2023-11-19 03:01:34,785 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 25 transitions. [2023-11-19 03:01:34,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:01:34,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:34,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:34,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:01:34,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:35,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:35,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2023-11-19 03:01:35,003 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2023-11-19 03:01:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:01:35,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:35,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:35,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:01:35,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:35,132 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:35,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:35,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2023-11-19 03:01:35,228 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2023-11-19 03:01:35,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:01:35,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:35,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:35,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:01:35,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:35,316 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:35,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2023-11-19 03:01:35,397 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2023-11-19 03:01:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:01:35,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:35,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:35,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:01:35,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:35,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2023-11-19 03:01:35,575 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2023-11-19 03:01:35,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:01:35,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:35,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:35,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:01:35,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:35,680 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:35,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 03:01:35,789 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 03:01:35,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:01:35,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:35,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:35,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:01:35,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:35,901 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:35,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:35,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2023-11-19 03:01:35,994 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2023-11-19 03:01:35,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:01:35,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:35,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:36,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:01:36,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:36,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:36,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 03:01:36,221 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 03:01:36,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:01:36,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:36,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:36,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:01:36,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:36,349 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:36,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-11-19 03:01:36,459 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-11-19 03:01:36,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:01:36,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:36,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:36,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:01:36,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:36,588 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:36,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-19 03:01:36,697 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-19 03:01:36,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:01:36,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:36,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:36,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:01:36,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:36,858 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:36,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:36,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-11-19 03:01:36,973 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-11-19 03:01:36,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:01:36,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:36,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:37,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:01:37,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:37,133 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:37,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:37,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-11-19 03:01:37,246 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-19 03:01:37,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:01:37,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:37,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:37,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:01:37,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:37,396 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:37,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:37,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-11-19 03:01:37,515 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-11-19 03:01:37,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:01:37,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:37,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:37,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:01:37,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:37,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:37,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2023-11-19 03:01:37,809 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2023-11-19 03:01:37,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:01:37,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:37,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:37,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:01:37,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:37,988 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:38,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2023-11-19 03:01:38,125 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2023-11-19 03:01:38,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:01:38,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:38,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:38,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:01:38,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:38,305 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-19 03:01:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-19 03:01:38,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:01:38,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:38,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:38,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:01:38,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:38,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:38,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2023-11-19 03:01:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-11-19 03:01:38,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:01:38,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:38,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:38,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:01:38,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:38,950 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:39,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:39,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2023-11-19 03:01:39,102 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2023-11-19 03:01:39,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:01:39,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:39,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:39,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:01:39,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:39,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:39,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2023-11-19 03:01:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-11-19 03:01:39,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:01:39,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:39,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:39,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:01:39,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:39,639 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:39,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:39,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2023-11-19 03:01:39,795 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-19 03:01:39,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:01:39,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:39,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:39,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:01:39,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:40,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:40,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2023-11-19 03:01:40,172 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-19 03:01:40,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:01:40,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:40,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:40,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:01:40,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:40,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:40,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-11-19 03:01:40,548 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-19 03:01:40,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:01:40,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:40,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:40,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:01:40,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:40,753 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:40,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:40,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-19 03:01:40,938 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-19 03:01:40,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:01:40,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:40,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:41,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:01:41,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:41,192 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:41,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:41,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2023-11-19 03:01:41,350 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2023-11-19 03:01:41,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:01:41,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:41,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:41,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:01:41,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:41,584 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:41,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2023-11-19 03:01:41,756 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-19 03:01:41,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:01:41,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:41,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:41,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:01:41,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:41,994 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:42,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:42,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 40 states and 50 transitions. [2023-11-19 03:01:42,171 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2023-11-19 03:01:42,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:01:42,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:42,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:42,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:01:42,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:42,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:42,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2023-11-19 03:01:42,604 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2023-11-19 03:01:42,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:01:42,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:42,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:42,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 03:01:42,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:42,861 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:43,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2023-11-19 03:01:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2023-11-19 03:01:43,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:01:43,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:43,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:43,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:01:43,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:43,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2023-11-19 03:01:43,511 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2023-11-19 03:01:43,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:01:43,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:43,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:43,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:01:43,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:43,770 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:43,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:43,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 44 states and 54 transitions. [2023-11-19 03:01:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2023-11-19 03:01:43,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:01:43,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:43,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:44,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:01:44,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 55 transitions. [2023-11-19 03:01:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2023-11-19 03:01:44,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:01:44,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:44,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:44,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 03:01:44,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:44,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:44,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 46 states and 56 transitions. [2023-11-19 03:01:44,976 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2023-11-19 03:01:44,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:01:44,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:44,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:45,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:01:45,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:45,259 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:45,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:45,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 47 states and 57 transitions. [2023-11-19 03:01:45,480 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2023-11-19 03:01:45,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:01:45,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:45,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:45,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:01:45,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:45,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2023-11-19 03:01:45,983 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2023-11-19 03:01:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:01:45,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:45,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:46,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 03:01:46,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:46,299 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:46,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:46,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2023-11-19 03:01:46,531 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2023-11-19 03:01:46,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:01:46,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:46,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:46,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 03:01:46,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:46,853 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:47,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:47,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2023-11-19 03:01:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-19 03:01:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:01:47,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:47,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:47,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 03:01:47,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:47,382 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:47,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:47,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2023-11-19 03:01:47,603 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-19 03:01:47,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:01:47,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:47,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:47,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 03:01:47,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:47,933 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:48,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:48,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 52 states and 62 transitions. [2023-11-19 03:01:48,155 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-11-19 03:01:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:01:48,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:48,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:48,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 03:01:48,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:48,506 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:48,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:48,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2023-11-19 03:01:48,735 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2023-11-19 03:01:48,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:01:48,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:48,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:48,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 03:01:48,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:49,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 54 states and 64 transitions. [2023-11-19 03:01:49,344 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2023-11-19 03:01:49,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:01:49,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:49,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:49,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 03:01:49,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:49,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:49,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 55 states and 65 transitions. [2023-11-19 03:01:49,933 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2023-11-19 03:01:49,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:01:49,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:49,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:50,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 03:01:50,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:50,286 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:50,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:50,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 56 states and 66 transitions. [2023-11-19 03:01:50,509 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2023-11-19 03:01:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:01:50,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:50,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:50,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 03:01:50,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:50,863 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:51,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:51,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 57 states and 67 transitions. [2023-11-19 03:01:51,085 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2023-11-19 03:01:51,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:01:51,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:51,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:51,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-19 03:01:51,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:51,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:51,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 58 states and 68 transitions. [2023-11-19 03:01:51,743 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-19 03:01:51,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:01:51,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:51,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:51,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 03:01:51,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:52,126 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:52,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:52,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 59 states and 69 transitions. [2023-11-19 03:01:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2023-11-19 03:01:52,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:01:52,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:52,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:52,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 03:01:52,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:52,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:53,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:53,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 60 states and 70 transitions. [2023-11-19 03:01:53,038 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2023-11-19 03:01:53,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:01:53,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:53,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:53,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 03:01:53,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:53,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:53,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 61 states and 71 transitions. [2023-11-19 03:01:53,692 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 71 transitions. [2023-11-19 03:01:53,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:01:53,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:53,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:53,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-19 03:01:53,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:54,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:54,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:54,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 62 states and 72 transitions. [2023-11-19 03:01:54,329 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2023-11-19 03:01:54,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:01:54,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:54,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 03:01:54,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:54,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:54,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 73 transitions. [2023-11-19 03:01:54,987 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2023-11-19 03:01:54,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:01:54,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:55,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 03:01:55,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:55,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:55,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:55,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 64 states and 74 transitions. [2023-11-19 03:01:55,647 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2023-11-19 03:01:55,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:01:55,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:55,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:55,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-19 03:01:55,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:56,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:56,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:56,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-19 03:01:56,304 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-19 03:01:56,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:01:56,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:56,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:56,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-19 03:01:56,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:57,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 66 states and 76 transitions. [2023-11-19 03:01:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2023-11-19 03:01:57,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:01:57,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:57,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:57,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 03:01:57,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:57,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:57,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:57,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 67 states and 77 transitions. [2023-11-19 03:01:57,722 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2023-11-19 03:01:57,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:01:57,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:57,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:57,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-19 03:01:57,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:58,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:58,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 68 states and 78 transitions. [2023-11-19 03:01:58,428 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2023-11-19 03:01:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:01:58,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:58,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:58,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-19 03:01:58,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:58,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-19 03:01:59,172 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-19 03:01:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:01:59,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:59,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:59,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-19 03:01:59,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:59,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:59,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:59,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 70 states and 80 transitions. [2023-11-19 03:01:59,845 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2023-11-19 03:01:59,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:01:59,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:59,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:59,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-19 03:01:59,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:00,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:00,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:00,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 71 states and 81 transitions. [2023-11-19 03:02:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2023-11-19 03:02:00,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:02:00,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:00,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:00,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-19 03:02:00,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:01,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:01,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 72 states and 82 transitions. [2023-11-19 03:02:01,428 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2023-11-19 03:02:01,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:02:01,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:01,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:01,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 03:02:01,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:02,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 73 states and 83 transitions. [2023-11-19 03:02:02,234 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2023-11-19 03:02:02,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:02:02,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:02,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:02,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-19 03:02:02,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:02,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:03,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:03,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 74 states and 84 transitions. [2023-11-19 03:02:03,101 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2023-11-19 03:02:03,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 03:02:03,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:03,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:03,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 03:02:03,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:03,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:03,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 75 states and 85 transitions. [2023-11-19 03:02:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2023-11-19 03:02:03,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 03:02:03,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:03,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:04,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-19 03:02:04,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:04,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 2 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:04,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:04,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 76 states and 86 transitions. [2023-11-19 03:02:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2023-11-19 03:02:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:02:04,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:04,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:04,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-19 03:02:04,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:05,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 2 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2023-11-19 03:02:05,599 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2023-11-19 03:02:05,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:02:05,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:05,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:05,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-19 03:02:05,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:06,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 2 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:06,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:06,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2023-11-19 03:02:06,526 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2023-11-19 03:02:06,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:02:06,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:06,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:06,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-19 03:02:06,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 2 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:07,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2023-11-19 03:02:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2023-11-19 03:02:07,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:02:07,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:07,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:07,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-19 03:02:07,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:07,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 2 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:08,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:08,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2023-11-19 03:02:08,308 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2023-11-19 03:02:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 03:02:08,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:08,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:08,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-19 03:02:08,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2213 backedges. 2 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:09,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2023-11-19 03:02:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2023-11-19 03:02:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 03:02:09,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:09,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:09,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-19 03:02:09,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:09,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 2 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:10,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:10,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 82 states and 92 transitions. [2023-11-19 03:02:10,015 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2023-11-19 03:02:10,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:02:10,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:10,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:10,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-19 03:02:10,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 2 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:10,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:10,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 83 states and 93 transitions. [2023-11-19 03:02:10,897 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2023-11-19 03:02:10,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 03:02:10,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:10,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:11,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-19 03:02:11,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:11,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2417 backedges. 2 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:11,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:11,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 84 states and 94 transitions. [2023-11-19 03:02:11,734 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2023-11-19 03:02:11,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 03:02:11,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:11,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:11,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-19 03:02:11,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:12,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2487 backedges. 2 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:12,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 85 states and 95 transitions. [2023-11-19 03:02:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2023-11-19 03:02:12,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 03:02:12,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:12,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:12,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-19 03:02:12,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:13,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 2 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:13,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:13,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 86 states and 96 transitions. [2023-11-19 03:02:13,530 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2023-11-19 03:02:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 03:02:13,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:13,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:13,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-19 03:02:13,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2630 backedges. 2 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:14,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:14,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 87 states and 97 transitions. [2023-11-19 03:02:14,395 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2023-11-19 03:02:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 03:02:14,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:14,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:14,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-19 03:02:14,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:14,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2703 backedges. 2 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:15,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:15,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 88 states and 98 transitions. [2023-11-19 03:02:15,313 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2023-11-19 03:02:15,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 03:02:15,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:15,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:15,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 77 conjunts are in the unsatisfiable core [2023-11-19 03:02:15,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2777 backedges. 2 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:16,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 89 states and 99 transitions. [2023-11-19 03:02:16,241 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2023-11-19 03:02:16,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 03:02:16,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:16,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:16,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 78 conjunts are in the unsatisfiable core [2023-11-19 03:02:16,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 2 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:17,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:17,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 90 states and 100 transitions. [2023-11-19 03:02:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 100 transitions. [2023-11-19 03:02:17,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 03:02:17,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:17,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:17,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-19 03:02:17,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 2 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:18,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:18,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 91 states and 101 transitions. [2023-11-19 03:02:18,135 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2023-11-19 03:02:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-19 03:02:18,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:18,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:18,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-19 03:02:18,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:18,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3005 backedges. 2 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:19,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 92 states and 102 transitions. [2023-11-19 03:02:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2023-11-19 03:02:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 03:02:19,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:19,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:19,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 81 conjunts are in the unsatisfiable core [2023-11-19 03:02:19,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3083 backedges. 2 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:20,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:20,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 93 states and 103 transitions. [2023-11-19 03:02:20,067 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2023-11-19 03:02:20,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 03:02:20,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:20,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:20,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 82 conjunts are in the unsatisfiable core [2023-11-19 03:02:20,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:20,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3162 backedges. 2 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:21,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:21,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 94 states and 104 transitions. [2023-11-19 03:02:21,013 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2023-11-19 03:02:21,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 03:02:21,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:21,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:21,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 83 conjunts are in the unsatisfiable core [2023-11-19 03:02:21,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3242 backedges. 2 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:21,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:21,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 95 states and 105 transitions. [2023-11-19 03:02:21,985 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2023-11-19 03:02:21,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 03:02:21,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:21,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:22,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 84 conjunts are in the unsatisfiable core [2023-11-19 03:02:22,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:22,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3323 backedges. 2 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.