./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73081b3fa7e8ac6772d35cbb49ddbf2b46d162637b371c81319141218fe98c6a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:27,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:27,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 22:15:27,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:27,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:27,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:27,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:27,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:27,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:27,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:27,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:27,768 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:15:27,768 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:15:27,770 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:15:27,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:27,771 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:15:27,772 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:27,772 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:27,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:27,773 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:27,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:27,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:27,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:27,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:27,779 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:27,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:27,780 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_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73081b3fa7e8ac6772d35cbb49ddbf2b46d162637b371c81319141218fe98c6a [2023-11-24 22:15:28,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:28,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:28,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:28,163 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:28,164 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:28,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2023-11-24 22:15:31,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:31,855 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:31,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2023-11-24 22:15:31,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi/data/d1e2fda58/ab87f0ec8bab47c79a6adbb1fa0886b8/FLAGf33bc22dd [2023-11-24 22:15:31,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi/data/d1e2fda58/ab87f0ec8bab47c79a6adbb1fa0886b8 [2023-11-24 22:15:31,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:31,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:31,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:31,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:31,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:31,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:31" (1/1) ... [2023-11-24 22:15:31,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362e43c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:31, skipping insertion in model container [2023-11-24 22:15:31,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:31" (1/1) ... [2023-11-24 22:15:32,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:33,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:33,560 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:33,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:33,999 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:33,999 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:34,007 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:34,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:34 WrapperNode [2023-11-24 22:15:34,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:34,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:34,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:34,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:34,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:34" (1/1) ... [2023-11-24 22:15:34,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:34" (1/1) ... [2023-11-24 22:15:34,141 INFO L138 Inliner]: procedures = 613, calls = 174, calls flagged for inlining = 32, calls inlined = 26, statements flattened = 603 [2023-11-24 22:15:34,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:34,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:34,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:34,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:34,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:34" (1/1) ... [2023-11-24 22:15:34,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:34" (1/1) ... [2023-11-24 22:15:34,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:34" (1/1) ... [2023-11-24 22:15:34,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:34" (1/1) ... [2023-11-24 22:15:34,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:34" (1/1) ... [2023-11-24 22:15:34,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:34" (1/1) ... [2023-11-24 22:15:34,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:34" (1/1) ... [2023-11-24 22:15:34,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:34" (1/1) ... [2023-11-24 22:15:34,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:34,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:34,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:34,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:34,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:34" (1/1) ... [2023-11-24 22:15:34,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:34,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:34,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:34,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a083a8d-5ab7-4f90-8781-c02b74c16904/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:15:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 22:15:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:15:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:15:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:15:34,414 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-24 22:15:34,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:34,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:15:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:34,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 22:15:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 22:15:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:15:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:15:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:15:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:15:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-24 22:15:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:15:34,920 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:34,923 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:36,126 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:36,337 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:15:36,338 INFO L309 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-24 22:15:36,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:36 BoogieIcfgContainer [2023-11-24 22:15:36,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:15:36,341 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:15:36,341 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:15:36,352 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:15:36,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:36" (1/1) ... [2023-11-24 22:15:36,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:15:36,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:36,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 318 states and 352 transitions. [2023-11-24 22:15:36,441 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 352 transitions. [2023-11-24 22:15:36,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:15:36,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:36,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:37,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 317 states and 351 transitions. [2023-11-24 22:15:37,143 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 351 transitions. [2023-11-24 22:15:37,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:15:37,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:37,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:37,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:37,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:37,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 316 states and 350 transitions. [2023-11-24 22:15:37,510 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 350 transitions. [2023-11-24 22:15:37,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:15:37,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:37,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:37,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:37,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 317 states and 352 transitions. [2023-11-24 22:15:37,682 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 352 transitions. [2023-11-24 22:15:37,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:15:37,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:37,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:37,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:37,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 318 states and 354 transitions. [2023-11-24 22:15:37,915 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 354 transitions. [2023-11-24 22:15:37,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:15:37,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:37,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:38,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:38,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 320 states and 356 transitions. [2023-11-24 22:15:38,432 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 356 transitions. [2023-11-24 22:15:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:15:38,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:38,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:38,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:38,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:38,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 321 states and 359 transitions. [2023-11-24 22:15:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 359 transitions. [2023-11-24 22:15:38,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:15:38,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:38,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:15:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:38,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 321 states and 358 transitions. [2023-11-24 22:15:38,965 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 358 transitions. [2023-11-24 22:15:38,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:15:38,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:38,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:39,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:39,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:39,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 323 states and 361 transitions. [2023-11-24 22:15:39,666 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 361 transitions. [2023-11-24 22:15:39,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:15:39,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:39,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:39,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:40,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 325 states and 366 transitions. [2023-11-24 22:15:40,035 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 366 transitions. [2023-11-24 22:15:40,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:15:40,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:40,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:15:40,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:40,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 325 states and 365 transitions. [2023-11-24 22:15:40,292 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 365 transitions. [2023-11-24 22:15:40,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:15:40,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:40,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:41,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:41,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 327 states and 368 transitions. [2023-11-24 22:15:41,842 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 368 transitions. [2023-11-24 22:15:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:15:41,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:41,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:42,048 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:42,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:42,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 329 states and 375 transitions. [2023-11-24 22:15:42,322 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 375 transitions. [2023-11-24 22:15:42,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:15:42,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:42,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:43,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:43,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 330 states and 376 transitions. [2023-11-24 22:15:43,100 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 376 transitions. [2023-11-24 22:15:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:15:43,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:43,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:15:43,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:43,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 330 states and 375 transitions. [2023-11-24 22:15:43,384 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 375 transitions. [2023-11-24 22:15:43,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:15:43,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:43,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:43,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:43,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 332 states and 382 transitions. [2023-11-24 22:15:43,962 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 382 transitions. [2023-11-24 22:15:43,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:15:43,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:43,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:44,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:44,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 333 states and 383 transitions. [2023-11-24 22:15:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 383 transitions. [2023-11-24 22:15:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:15:44,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:44,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:15:45,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:45,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 333 states and 382 transitions. [2023-11-24 22:15:45,164 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 382 transitions. [2023-11-24 22:15:45,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:15:45,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:45,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:15:48,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:48,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 336 states and 392 transitions. [2023-11-24 22:15:48,412 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 392 transitions. [2023-11-24 22:15:48,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:15:48,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:48,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:48,651 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 338 states and 399 transitions. [2023-11-24 22:15:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 399 transitions. [2023-11-24 22:15:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:15:49,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:49,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:15:49,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 338 states and 398 transitions. [2023-11-24 22:15:49,693 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 398 transitions. [2023-11-24 22:15:49,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:15:49,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:49,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:50,170 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:50,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 339 states and 398 transitions. [2023-11-24 22:15:50,805 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 398 transitions. [2023-11-24 22:15:50,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:15:50,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:50,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:51,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:51,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 341 states and 405 transitions. [2023-11-24 22:15:51,784 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 405 transitions. [2023-11-24 22:15:51,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:15:51,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:51,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:51,882 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-24 22:15:52,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:52,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 341 states and 404 transitions. [2023-11-24 22:15:52,256 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 404 transitions. [2023-11-24 22:15:52,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:15:52,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:52,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:52,844 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:53,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:53,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 342 states and 404 transitions. [2023-11-24 22:15:53,549 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 404 transitions. [2023-11-24 22:15:53,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:15:53,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:53,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:54,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 344 states and 411 transitions. [2023-11-24 22:15:54,662 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 411 transitions. [2023-11-24 22:15:54,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:15:54,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:54,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:54,791 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:15:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:55,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 344 states and 410 transitions. [2023-11-24 22:15:55,205 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 410 transitions. [2023-11-24 22:15:55,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:15:55,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:55,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:56,373 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:58,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 346 states and 416 transitions. [2023-11-24 22:15:58,270 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 416 transitions. [2023-11-24 22:15:58,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:15:58,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:58,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:58,369 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-24 22:15:58,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:58,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 346 states and 415 transitions. [2023-11-24 22:15:58,675 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 415 transitions. [2023-11-24 22:15:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:15:58,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:58,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:00,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:00,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 348 states and 424 transitions. [2023-11-24 22:16:00,005 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 424 transitions. [2023-11-24 22:16:00,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:16:00,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:00,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:01,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 350 states and 434 transitions. [2023-11-24 22:16:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 434 transitions. [2023-11-24 22:16:01,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:16:01,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:01,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 352 states and 440 transitions. [2023-11-24 22:16:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 440 transitions. [2023-11-24 22:16:03,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:16:03,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:03,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:03,183 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-24 22:16:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:03,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 352 states and 439 transitions. [2023-11-24 22:16:03,634 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 439 transitions. [2023-11-24 22:16:03,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:16:03,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:03,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:03,732 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-24 22:16:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 352 states and 438 transitions. [2023-11-24 22:16:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 438 transitions. [2023-11-24 22:16:04,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:16:04,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:04,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:05,084 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:06,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:06,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 354 states and 440 transitions. [2023-11-24 22:16:06,377 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 440 transitions. [2023-11-24 22:16:06,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:16:06,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:06,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:06,696 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:07,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 355 states and 440 transitions. [2023-11-24 22:16:07,319 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 440 transitions. [2023-11-24 22:16:07,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:16:07,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:07,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:07,732 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:08,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:08,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 357 states and 444 transitions. [2023-11-24 22:16:08,761 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 444 transitions. [2023-11-24 22:16:08,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:16:08,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:08,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:08,986 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:09,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 359 states and 448 transitions. [2023-11-24 22:16:09,921 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 448 transitions. [2023-11-24 22:16:09,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:16:09,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:09,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:10,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:10,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 360 states and 448 transitions. [2023-11-24 22:16:10,565 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 448 transitions. [2023-11-24 22:16:10,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:16:10,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:10,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:12,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:12,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 361 states and 449 transitions. [2023-11-24 22:16:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 449 transitions. [2023-11-24 22:16:12,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:16:12,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:12,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:14,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:14,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 341 states and 381 transitions. [2023-11-24 22:16:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 381 transitions. [2023-11-24 22:16:14,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:16:14,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:14,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:14,866 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-24 22:16:15,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:15,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 338 states and 378 transitions. [2023-11-24 22:16:15,387 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 378 transitions. [2023-11-24 22:16:15,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:16:15,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:15,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat