./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f5c3252c23e9c49e7b3cce6858e3c801f843203fda4604e23c25c5a714e6a2c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:29:43,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:29:43,292 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:29:43,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:29:43,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:29:43,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:29:43,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:29:43,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:29:43,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:29:43,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:29:43,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:29:43,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:29:43,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:29:43,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:29:43,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:29:43,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:29:43,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:29:43,345 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:29:43,346 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:29:43,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:29:43,347 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:29:43,348 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:29:43,348 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:29:43,349 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:29:43,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:29:43,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:43,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:29:43,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:29:43,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:29:43,352 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:29:43,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:29:43,353 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:29:43,353 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_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5c3252c23e9c49e7b3cce6858e3c801f843203fda4604e23c25c5a714e6a2c0 [2023-11-21 18:29:43,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:29:43,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:29:43,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:29:43,693 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:29:43,693 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:29:43,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2023-11-21 18:29:46,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:29:47,220 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:29:47,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7289d38e-47fa-460a-9a82-f105fd5c1195/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2023-11-21 18:29:47,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2/data/bd9a43529/21f9df13f93d40c9b3b602c690f678b0/FLAG1e67793d0 [2023-11-21 18:29:47,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2/data/bd9a43529/21f9df13f93d40c9b3b602c690f678b0 [2023-11-21 18:29:47,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:29:47,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:29:47,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:47,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:29:47,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:29:47,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:47" (1/1) ... [2023-11-21 18:29:47,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ec314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:47, skipping insertion in model container [2023-11-21 18:29:47,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:47" (1/1) ... [2023-11-21 18:29:47,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:29:48,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:48,630 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:29:48,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:48,997 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:48,997 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:49,005 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:29:49,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49 WrapperNode [2023-11-21 18:29:49,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:49,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:49,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:29:49,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:29:49,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,156 INFO L138 Inliner]: procedures = 574, calls = 148, calls flagged for inlining = 16, calls inlined = 15, statements flattened = 521 [2023-11-21 18:29:49,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:49,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:29:49,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:29:49,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:29:49,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:29:49,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:29:49,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:29:49,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:29:49,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:49" (1/1) ... [2023-11-21 18:29:49,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:49,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:29:49,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:29:49,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7289d38e-47fa-460a-9a82-f105fd5c1195/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:29:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-21 18:29:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:29:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:29:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:29:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:29:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:29:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-21 18:29:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:29:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:29:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:29:49,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:29:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 18:29:49,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 18:29:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:29:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:29:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:29:49,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:29:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:29:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:29:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:29:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:29:49,735 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:29:49,738 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:29:50,411 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:29:50,605 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:29:50,606 INFO L308 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-21 18:29:50,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:50 BoogieIcfgContainer [2023-11-21 18:29:50,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:29:50,608 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:29:50,609 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:29:50,619 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:29:50,620 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:50" (1/1) ... [2023-11-21 18:29:50,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:29:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:50,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 129 states and 164 transitions. [2023-11-21 18:29:50,691 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 164 transitions. [2023-11-21 18:29:50,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:29:50,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:50,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:51,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 131 states and 167 transitions. [2023-11-21 18:29:51,216 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2023-11-21 18:29:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:29:51,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:51,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:51,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:51,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 132 states and 168 transitions. [2023-11-21 18:29:51,427 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 168 transitions. [2023-11-21 18:29:51,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:29:51,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:51,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:51,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:51,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:51,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 134 states and 171 transitions. [2023-11-21 18:29:51,695 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 171 transitions. [2023-11-21 18:29:51,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:29:51,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:51,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:51,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:29:51,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 133 states and 170 transitions. [2023-11-21 18:29:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 170 transitions. [2023-11-21 18:29:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:29:51,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:51,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 134 states and 171 transitions. [2023-11-21 18:29:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 171 transitions. [2023-11-21 18:29:52,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:29:52,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:52,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:52,258 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:52,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:52,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 133 states and 170 transitions. [2023-11-21 18:29:52,418 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 170 transitions. [2023-11-21 18:29:52,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:29:52,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:52,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:29:52,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:52,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 132 states and 169 transitions. [2023-11-21 18:29:52,550 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 169 transitions. [2023-11-21 18:29:52,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:29:52,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:52,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:52,712 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:52,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:52,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 135 states and 172 transitions. [2023-11-21 18:29:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 172 transitions. [2023-11-21 18:29:52,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:29:52,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:52,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:53,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 138 states and 175 transitions. [2023-11-21 18:29:53,263 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 175 transitions. [2023-11-21 18:29:53,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:29:53,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:53,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:53,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 141 states and 178 transitions. [2023-11-21 18:29:53,648 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 178 transitions. [2023-11-21 18:29:53,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:29:53,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:53,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:53,846 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:54,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:54,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 144 states and 181 transitions. [2023-11-21 18:29:54,047 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 181 transitions. [2023-11-21 18:29:54,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:29:54,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:54,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:54,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:54,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 147 states and 184 transitions. [2023-11-21 18:29:54,539 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 184 transitions. [2023-11-21 18:29:54,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:29:54,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:54,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:55,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 150 states and 187 transitions. [2023-11-21 18:29:55,034 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 187 transitions. [2023-11-21 18:29:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:29:55,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:55,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:55,332 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:55,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:55,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 153 states and 190 transitions. [2023-11-21 18:29:55,571 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 190 transitions. [2023-11-21 18:29:55,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:29:55,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:55,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:56,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:56,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 156 states and 192 transitions. [2023-11-21 18:29:56,074 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 192 transitions. [2023-11-21 18:29:56,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:29:56,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:56,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:29:56,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:56,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 155 states and 191 transitions. [2023-11-21 18:29:56,602 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 191 transitions. [2023-11-21 18:29:56,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:29:56,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:56,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:56,725 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:29:56,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:56,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 154 states and 190 transitions. [2023-11-21 18:29:56,771 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 190 transitions. [2023-11-21 18:29:56,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:29:56,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:56,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:56,934 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:29:57,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:57,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 153 states and 189 transitions. [2023-11-21 18:29:57,061 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 189 transitions. [2023-11-21 18:29:57,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:29:57,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:57,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:57,231 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:29:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 155 states and 192 transitions. [2023-11-21 18:29:57,305 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 192 transitions. [2023-11-21 18:29:57,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:29:57,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:57,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:57,462 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:29:57,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:57,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 156 states and 193 transitions. [2023-11-21 18:29:57,485 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 193 transitions. [2023-11-21 18:29:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:29:57,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:57,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:57,701 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:29:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:57,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 158 states and 196 transitions. [2023-11-21 18:29:57,853 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 196 transitions. [2023-11-21 18:29:57,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:29:57,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:57,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:58,027 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:29:58,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:58,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 164 states and 207 transitions. [2023-11-21 18:29:58,446 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2023-11-21 18:29:58,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:29:58,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:58,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:58,625 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:29:58,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:58,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 163 states and 206 transitions. [2023-11-21 18:29:58,876 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 206 transitions. [2023-11-21 18:29:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:29:58,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:58,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:59,024 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:29:59,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:59,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 164 states and 207 transitions. [2023-11-21 18:29:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2023-11-21 18:29:59,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:29:59,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:59,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:59,279 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:29:59,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:59,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 166 states and 211 transitions. [2023-11-21 18:29:59,366 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 211 transitions. [2023-11-21 18:29:59,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:29:59,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:59,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:30:00,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:00,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 165 states and 210 transitions. [2023-11-21 18:30:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 210 transitions. [2023-11-21 18:30:00,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:30:00,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:00,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:00,204 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-21 18:30:00,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:00,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 167 states and 213 transitions. [2023-11-21 18:30:00,689 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 213 transitions. [2023-11-21 18:30:00,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:30:00,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:00,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:00,820 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:30:00,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:00,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 168 states and 214 transitions. [2023-11-21 18:30:00,850 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 214 transitions. [2023-11-21 18:30:00,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:30:00,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:00,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:01,063 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:30:01,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 170 states and 218 transitions. [2023-11-21 18:30:01,254 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 218 transitions. [2023-11-21 18:30:01,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:30:01,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:01,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-21 18:30:01,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:01,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 172 states and 219 transitions. [2023-11-21 18:30:01,702 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2023-11-21 18:30:01,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:30:01,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:01,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:30:02,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:02,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 175 states and 223 transitions. [2023-11-21 18:30:02,242 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 223 transitions. [2023-11-21 18:30:02,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:30:02,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:02,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:02,500 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:30:02,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:02,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 176 states and 224 transitions. [2023-11-21 18:30:02,791 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 224 transitions. [2023-11-21 18:30:02,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:30:02,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:02,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-11-21 18:30:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:03,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 175 states and 223 transitions. [2023-11-21 18:30:03,493 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 223 transitions. [2023-11-21 18:30:03,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:30:03,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:03,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:03,796 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-11-21 18:30:05,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:05,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 189 states and 249 transitions. [2023-11-21 18:30:05,379 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 249 transitions. [2023-11-21 18:30:05,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:30:05,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:05,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:05,564 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:30:05,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:05,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 190 states and 250 transitions. [2023-11-21 18:30:05,871 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 250 transitions. [2023-11-21 18:30:05,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:30:05,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:05,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-21 18:30:05,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:05,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 190 states and 249 transitions. [2023-11-21 18:30:05,969 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 249 transitions. [2023-11-21 18:30:05,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:30:05,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:05,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:06,337 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:30:06,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:06,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 192 states and 251 transitions. [2023-11-21 18:30:06,564 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2023-11-21 18:30:06,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:30:06,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:06,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-11-21 18:30:07,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:07,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 194 states and 252 transitions. [2023-11-21 18:30:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 252 transitions. [2023-11-21 18:30:07,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:30:07,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:07,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:07,369 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-11-21 18:30:07,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 196 states and 253 transitions. [2023-11-21 18:30:07,691 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 253 transitions. [2023-11-21 18:30:07,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:30:07,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:07,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-21 18:30:09,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:09,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 205 states and 268 transitions. [2023-11-21 18:30:09,876 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 268 transitions. [2023-11-21 18:30:09,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:30:09,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:09,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:10,184 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-21 18:30:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:12,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 215 states and 283 transitions. [2023-11-21 18:30:12,302 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 283 transitions. [2023-11-21 18:30:12,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:30:12,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:12,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:12,798 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:30:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:19,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 265 states and 350 transitions. [2023-11-21 18:30:19,921 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 350 transitions. [2023-11-21 18:30:19,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:30:19,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:19,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:30:20,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:20,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 267 states and 353 transitions. [2023-11-21 18:30:20,775 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 353 transitions. [2023-11-21 18:30:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:30:20,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:20,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:30:21,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 270 states and 359 transitions. [2023-11-21 18:30:21,256 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 359 transitions. [2023-11-21 18:30:21,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:30:21,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:21,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-21 18:30:22,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:22,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 272 states and 360 transitions. [2023-11-21 18:30:22,042 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 360 transitions. [2023-11-21 18:30:22,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:30:22,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:22,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:22,248 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:30:22,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:22,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 273 states and 361 transitions. [2023-11-21 18:30:22,275 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 361 transitions. [2023-11-21 18:30:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:30:22,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:22,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:22,477 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-11-21 18:30:23,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:23,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 280 states and 374 transitions. [2023-11-21 18:30:23,577 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 374 transitions. [2023-11-21 18:30:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:30:23,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:23,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-21 18:30:24,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:24,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 282 states and 375 transitions. [2023-11-21 18:30:24,403 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 375 transitions. [2023-11-21 18:30:24,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:30:24,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:24,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:24,549 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:30:24,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:24,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 282 states and 374 transitions. [2023-11-21 18:30:24,568 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 374 transitions. [2023-11-21 18:30:24,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:30:24,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:24,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2023-11-21 18:30:25,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 284 states and 376 transitions. [2023-11-21 18:30:25,014 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 376 transitions. [2023-11-21 18:30:25,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:30:25,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:25,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-21 18:30:25,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:25,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 285 states and 377 transitions. [2023-11-21 18:30:25,837 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 377 transitions. [2023-11-21 18:30:25,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:30:25,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:25,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:30:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:26,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 288 states and 383 transitions. [2023-11-21 18:30:26,704 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 383 transitions. [2023-11-21 18:30:26,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:30:26,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:26,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:30:27,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:27,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 287 states and 382 transitions. [2023-11-21 18:30:27,463 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 382 transitions. [2023-11-21 18:30:27,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:30:27,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:27,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2023-11-21 18:30:29,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 287 states and 380 transitions. [2023-11-21 18:30:29,403 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 380 transitions. [2023-11-21 18:30:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:30:29,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:29,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked.