./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36368e85-6344-4a84-99fd-a5abf01b2577/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36368e85-6344-4a84-99fd-a5abf01b2577/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_36368e85-6344-4a84-99fd-a5abf01b2577/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36368e85-6344-4a84-99fd-a5abf01b2577/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36368e85-6344-4a84-99fd-a5abf01b2577/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36368e85-6344-4a84-99fd-a5abf01b2577/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ddb26eab16f240735f9d1465e4eb4848a506b7f6f359090de5f9df37aee37107 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:10,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:10,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36368e85-6344-4a84-99fd-a5abf01b2577/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:21:10,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:21:10,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:21:10,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:10,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:10,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:10,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:10,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:10,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:10,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:10,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:10,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:10,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:10,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:10,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:10,178 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:21:10,179 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:21:10,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:10,180 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:10,181 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:10,182 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:10,182 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:10,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:10,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:10,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:10,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:10,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:10,187 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:21:10,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:21:10,189 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:10,189 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_36368e85-6344-4a84-99fd-a5abf01b2577/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36368e85-6344-4a84-99fd-a5abf01b2577/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddb26eab16f240735f9d1465e4eb4848a506b7f6f359090de5f9df37aee37107 [2023-11-19 03:21:10,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:10,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:10,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:10,653 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:10,653 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:10,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36368e85-6344-4a84-99fd-a5abf01b2577/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2023-11-19 03:21:14,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:15,006 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:15,008 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36368e85-6344-4a84-99fd-a5abf01b2577/sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2023-11-19 03:21:15,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36368e85-6344-4a84-99fd-a5abf01b2577/bin/ukojak-verify-G8NBE6pJGL/data/4d658fa91/ed677f8934e1499f81df26361dfe6f30/FLAGc8acd27fd [2023-11-19 03:21:15,104 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36368e85-6344-4a84-99fd-a5abf01b2577/bin/ukojak-verify-G8NBE6pJGL/data/4d658fa91/ed677f8934e1499f81df26361dfe6f30 [2023-11-19 03:21:15,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:15,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:15,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:15,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:15,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:15,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:15" (1/1) ... [2023-11-19 03:21:15,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b082596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:15, skipping insertion in model container [2023-11-19 03:21:15,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:15" (1/1) ... [2023-11-19 03:21:15,255 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:16,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:16,764 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:16,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:17,318 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:17,318 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:17,332 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:17,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:17 WrapperNode [2023-11-19 03:21:17,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:17,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:17,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:17,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:17,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:17" (1/1) ... [2023-11-19 03:21:17,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:17" (1/1) ... [2023-11-19 03:21:17,482 INFO L138 Inliner]: procedures = 598, calls = 177, calls flagged for inlining = 19, calls inlined = 17, statements flattened = 624 [2023-11-19 03:21:17,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:17,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:17,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:17,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:17,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:17" (1/1) ... [2023-11-19 03:21:17,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:17" (1/1) ... [2023-11-19 03:21:17,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:17" (1/1) ... [2023-11-19 03:21:17,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:17" (1/1) ... [2023-11-19 03:21:17,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:17" (1/1) ... [2023-11-19 03:21:17,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:17" (1/1) ... [2023-11-19 03:21:17,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:17" (1/1) ... [2023-11-19 03:21:17,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:17" (1/1) ... [2023-11-19 03:21:17,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:17,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:17,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:17,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:17,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:17" (1/1) ... [2023-11-19 03:21:17,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:17,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36368e85-6344-4a84-99fd-a5abf01b2577/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:17,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36368e85-6344-4a84-99fd-a5abf01b2577/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:17,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36368e85-6344-4a84-99fd-a5abf01b2577/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:17,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:17,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:21:17,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:21:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:21:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:21:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 03:21:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:21:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:17,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 03:21:17,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 03:21:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:21:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:21:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:21:17,728 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:21:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:21:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:21:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-19 03:21:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-19 03:21:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-19 03:21:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:21:18,361 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:18,366 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:19,259 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:19,411 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:19,412 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-19 03:21:19,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:19 BoogieIcfgContainer [2023-11-19 03:21:19,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:19,420 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:19,421 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:19,433 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:19,433 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:19" (1/1) ... [2023-11-19 03:21:19,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:19,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 150 states and 194 transitions. [2023-11-19 03:21:19,548 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 194 transitions. [2023-11-19 03:21:19,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:21:19,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:19,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:20,167 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 03:21:20,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 152 states and 197 transitions. [2023-11-19 03:21:20,242 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 197 transitions. [2023-11-19 03:21:20,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:21:20,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:20,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:20,361 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 03:21:20,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:20,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 153 states and 198 transitions. [2023-11-19 03:21:20,383 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 198 transitions. [2023-11-19 03:21:20,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:21:20,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:20,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:20,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 201 transitions. [2023-11-19 03:21:20,598 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 201 transitions. [2023-11-19 03:21:20,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:21:20,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:20,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:20,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:21:20,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:20,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 154 states and 200 transitions. [2023-11-19 03:21:20,855 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 200 transitions. [2023-11-19 03:21:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:21:20,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:20,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:21,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 201 transitions. [2023-11-19 03:21:21,130 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 201 transitions. [2023-11-19 03:21:21,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:21:21,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:21,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:21,289 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:21:21,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:21,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 154 states and 200 transitions. [2023-11-19 03:21:21,465 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 200 transitions. [2023-11-19 03:21:21,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:21:21,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:21,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:21:21,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:21,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 153 states and 199 transitions. [2023-11-19 03:21:21,646 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 199 transitions. [2023-11-19 03:21:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:21:21,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:21,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:22,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:22,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 156 states and 202 transitions. [2023-11-19 03:21:22,154 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 202 transitions. [2023-11-19 03:21:22,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:21:22,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:22,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:22,373 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:22,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 159 states and 205 transitions. [2023-11-19 03:21:22,553 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 205 transitions. [2023-11-19 03:21:22,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:21:22,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:22,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:22,845 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:23,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:23,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 162 states and 208 transitions. [2023-11-19 03:21:23,060 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 208 transitions. [2023-11-19 03:21:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:21:23,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:23,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:23,403 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:23,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 165 states and 211 transitions. [2023-11-19 03:21:23,628 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 211 transitions. [2023-11-19 03:21:23,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:21:23,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:23,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:23,972 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:24,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:24,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 168 states and 214 transitions. [2023-11-19 03:21:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 214 transitions. [2023-11-19 03:21:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:21:24,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:24,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:24,610 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:24,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:24,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 171 states and 217 transitions. [2023-11-19 03:21:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 217 transitions. [2023-11-19 03:21:24,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:21:24,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:24,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:25,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:25,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 174 states and 220 transitions. [2023-11-19 03:21:25,551 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 220 transitions. [2023-11-19 03:21:25,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:21:25,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:25,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:26,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 177 states and 222 transitions. [2023-11-19 03:21:26,062 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 222 transitions. [2023-11-19 03:21:26,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:21:26,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:26,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:26,437 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:26,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 176 states and 221 transitions. [2023-11-19 03:21:26,639 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2023-11-19 03:21:26,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:21:26,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:26,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:26,806 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:26,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 175 states and 220 transitions. [2023-11-19 03:21:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 220 transitions. [2023-11-19 03:21:26,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:21:26,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:26,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:26,991 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:27,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:27,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 174 states and 219 transitions. [2023-11-19 03:21:27,135 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 219 transitions. [2023-11-19 03:21:27,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:21:27,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:27,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:27,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 175 states and 221 transitions. [2023-11-19 03:21:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 221 transitions. [2023-11-19 03:21:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:21:27,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:27,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:27,657 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:27,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:27,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 176 states and 222 transitions. [2023-11-19 03:21:27,680 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 222 transitions. [2023-11-19 03:21:27,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:21:27,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:27,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:27,867 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:27,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:27,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 177 states and 223 transitions. [2023-11-19 03:21:27,894 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 223 transitions. [2023-11-19 03:21:27,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:21:27,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:27,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:28,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:28,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 178 states and 225 transitions. [2023-11-19 03:21:28,936 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 225 transitions. [2023-11-19 03:21:28,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:21:28,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:28,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:29,185 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:21:29,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:29,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 183 states and 233 transitions. [2023-11-19 03:21:29,673 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 233 transitions. [2023-11-19 03:21:29,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:21:29,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:29,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:30,040 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:30,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:30,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 185 states and 237 transitions. [2023-11-19 03:21:30,477 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 237 transitions. [2023-11-19 03:21:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:21:30,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:30,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:30,671 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:21:30,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:30,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 186 states and 238 transitions. [2023-11-19 03:21:30,705 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 238 transitions. [2023-11-19 03:21:30,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:21:30,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:30,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:30,936 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:21:31,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:31,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 185 states and 237 transitions. [2023-11-19 03:21:31,306 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 237 transitions. [2023-11-19 03:21:31,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:21:31,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:31,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:31,552 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-19 03:21:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 187 states and 239 transitions. [2023-11-19 03:21:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 239 transitions. [2023-11-19 03:21:32,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:21:32,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:32,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-19 03:21:33,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:33,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 188 states and 242 transitions. [2023-11-19 03:21:33,347 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 242 transitions. [2023-11-19 03:21:33,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:21:33,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:33,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:33,682 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:34,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 189 states and 243 transitions. [2023-11-19 03:21:34,034 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 243 transitions. [2023-11-19 03:21:34,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:21:34,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:34,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:34,251 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-19 03:21:34,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:34,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 190 states and 243 transitions. [2023-11-19 03:21:34,434 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 243 transitions. [2023-11-19 03:21:34,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:21:34,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:34,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:35,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:35,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 193 states and 246 transitions. [2023-11-19 03:21:35,586 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 246 transitions. [2023-11-19 03:21:35,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:21:35,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:35,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:36,073 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:36,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:36,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 196 states and 249 transitions. [2023-11-19 03:21:36,695 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 249 transitions. [2023-11-19 03:21:36,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:21:36,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:36,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:37,174 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:37,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:37,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 199 states and 252 transitions. [2023-11-19 03:21:37,723 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 252 transitions. [2023-11-19 03:21:37,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:21:37,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:37,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:38,129 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:38,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:38,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 202 states and 255 transitions. [2023-11-19 03:21:38,677 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 255 transitions. [2023-11-19 03:21:38,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:21:38,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:38,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:39,227 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:39,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:39,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 205 states and 258 transitions. [2023-11-19 03:21:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 258 transitions. [2023-11-19 03:21:39,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:21:39,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:39,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 208 states and 261 transitions. [2023-11-19 03:21:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 261 transitions. [2023-11-19 03:21:41,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 03:21:41,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:41,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:42,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 211 states and 264 transitions. [2023-11-19 03:21:42,314 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 264 transitions. [2023-11-19 03:21:42,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:21:42,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:42,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 03:21:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:43,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 214 states and 266 transitions. [2023-11-19 03:21:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 266 transitions. [2023-11-19 03:21:43,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 03:21:43,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:43,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:49,637 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked.