./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19234f20-707c-4f4f-8698-971aa78c8bab/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19234f20-707c-4f4f-8698-971aa78c8bab/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_19234f20-707c-4f4f-8698-971aa78c8bab/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19234f20-707c-4f4f-8698-971aa78c8bab/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19234f20-707c-4f4f-8698-971aa78c8bab/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_19234f20-707c-4f4f-8698-971aa78c8bab/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 fb9014c2bb85c9a9ac54681a12eb8ca24c098d06a79f65deadf00655e1ea97ed --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:02,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:02,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19234f20-707c-4f4f-8698-971aa78c8bab/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 22:53:02,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:02,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:02,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:02,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:02,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:02,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:02,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:02,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:02,296 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:53:02,296 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:53:02,298 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:53:02,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:02,299 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:53:02,299 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:02,300 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:02,300 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:02,301 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:02,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:02,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:02,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:02,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:02,303 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:02,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:02,304 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_19234f20-707c-4f4f-8698-971aa78c8bab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19234f20-707c-4f4f-8698-971aa78c8bab/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb9014c2bb85c9a9ac54681a12eb8ca24c098d06a79f65deadf00655e1ea97ed [2023-11-24 22:53:02,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:02,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:02,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:02,671 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:02,671 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:02,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19234f20-707c-4f4f-8698-971aa78c8bab/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2023-11-24 22:53:05,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:06,348 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:06,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19234f20-707c-4f4f-8698-971aa78c8bab/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2023-11-24 22:53:06,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19234f20-707c-4f4f-8698-971aa78c8bab/bin/ukojak-verify-afCqCEvfdi/data/41cc8ed06/82dbca7c7baa4167ae329ce01205d77f/FLAGbf3ef603f [2023-11-24 22:53:06,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19234f20-707c-4f4f-8698-971aa78c8bab/bin/ukojak-verify-afCqCEvfdi/data/41cc8ed06/82dbca7c7baa4167ae329ce01205d77f [2023-11-24 22:53:06,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:06,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:06,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:06,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:06,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:06,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:06" (1/1) ... [2023-11-24 22:53:06,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7490c3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:06, skipping insertion in model container [2023-11-24 22:53:06,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:06" (1/1) ... [2023-11-24 22:53:06,550 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:08,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:08,598 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:08,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:09,162 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:09,163 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:09,163 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:09,163 WARN L675 CHandler]: The function decode_fn_ptr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:09,163 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:09,163 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:09,164 WARN L675 CHandler]: The function fwrite is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:09,164 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:09,187 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:09,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:09 WrapperNode [2023-11-24 22:53:09,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:09,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:09,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:09,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:09,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:09" (1/1) ... [2023-11-24 22:53:09,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:09" (1/1) ... [2023-11-24 22:53:09,649 INFO L138 Inliner]: procedures = 620, calls = 857, calls flagged for inlining = 82, calls inlined = 297, statements flattened = 8569 [2023-11-24 22:53:09,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:09,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:09,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:09,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:09,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:09" (1/1) ... [2023-11-24 22:53:09,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:09" (1/1) ... [2023-11-24 22:53:09,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:09" (1/1) ... [2023-11-24 22:53:09,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:09" (1/1) ... [2023-11-24 22:53:10,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:09" (1/1) ... [2023-11-24 22:53:10,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:09" (1/1) ... [2023-11-24 22:53:10,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:09" (1/1) ... [2023-11-24 22:53:10,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:09" (1/1) ... [2023-11-24 22:53:10,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:10,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:10,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:10,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:10,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:09" (1/1) ... [2023-11-24 22:53:10,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:10,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19234f20-707c-4f4f-8698-971aa78c8bab/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:10,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19234f20-707c-4f4f-8698-971aa78c8bab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:10,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19234f20-707c-4f4f-8698-971aa78c8bab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:10,311 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-24 22:53:10,311 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-24 22:53:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:53:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 22:53:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-24 22:53:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:53:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:53:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:53:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-24 22:53:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:53:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 22:53:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 22:53:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-24 22:53:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:53:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:53:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:53:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:53:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-24 22:53:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-11-24 22:53:10,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:11,055 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:11,058 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:22,660 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:26,051 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:26,052 INFO L309 CfgBuilder]: Removed 160 assume(true) statements. [2023-11-24 22:53:26,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:26 BoogieIcfgContainer [2023-11-24 22:53:26,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:26,058 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:26,058 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:26,068 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:26,068 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:26" (1/1) ... [2023-11-24 22:53:26,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:26,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:26,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5390 states to 4697 states and 5390 transitions. [2023-11-24 22:53:26,231 INFO L276 IsEmpty]: Start isEmpty. Operand 4697 states and 5390 transitions. [2023-11-24 22:53:26,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:53:26,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:26,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:26,885 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 22:53:27,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:27,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5389 states to 4696 states and 5389 transitions. [2023-11-24 22:53:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 5389 transitions. [2023-11-24 22:53:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:53:27,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:27,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:27,611 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 22:53:27,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:27,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 4695 states and 5388 transitions. [2023-11-24 22:53:27,870 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 5388 transitions. [2023-11-24 22:53:27,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:53:27,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:27,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:27,994 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 22:53:28,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 4694 states and 5387 transitions. [2023-11-24 22:53:28,044 INFO L276 IsEmpty]: Start isEmpty. Operand 4694 states and 5387 transitions. [2023-11-24 22:53:28,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:53:28,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:28,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:28,429 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 22:53:28,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:28,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5389 states to 4696 states and 5389 transitions. [2023-11-24 22:53:28,594 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 5389 transitions. [2023-11-24 22:53:28,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:53:28,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:28,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:28,956 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 22:53:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 4695 states and 5388 transitions. [2023-11-24 22:53:29,419 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 5388 transitions. [2023-11-24 22:53:29,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:53:29,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:29,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:29,625 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 22:53:29,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5389 states to 4696 states and 5389 transitions. [2023-11-24 22:53:29,833 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 5389 transitions. [2023-11-24 22:53:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:53:29,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:29,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:30,128 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 22:53:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:30,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5391 states to 4698 states and 5391 transitions. [2023-11-24 22:53:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 4698 states and 5391 transitions. [2023-11-24 22:53:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:53:30,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:30,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:30,691 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 22:53:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5393 states to 4700 states and 5393 transitions. [2023-11-24 22:53:31,056 INFO L276 IsEmpty]: Start isEmpty. Operand 4700 states and 5393 transitions. [2023-11-24 22:53:31,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:53:31,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:31,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:31,336 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 22:53:31,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5395 states to 4702 states and 5395 transitions. [2023-11-24 22:53:31,746 INFO L276 IsEmpty]: Start isEmpty. Operand 4702 states and 5395 transitions. [2023-11-24 22:53:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:53:31,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:31,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:32,347 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 22:53:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:34,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5394 states to 4701 states and 5394 transitions. [2023-11-24 22:53:34,879 INFO L276 IsEmpty]: Start isEmpty. Operand 4701 states and 5394 transitions. [2023-11-24 22:53:34,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:53:34,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:34,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:35,255 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 22:53:35,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:35,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5396 states to 4703 states and 5396 transitions. [2023-11-24 22:53:35,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4703 states and 5396 transitions. [2023-11-24 22:53:35,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:53:35,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:35,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:36,372 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 22:53:37,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:37,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5398 states to 4705 states and 5398 transitions. [2023-11-24 22:53:37,075 INFO L276 IsEmpty]: Start isEmpty. Operand 4705 states and 5398 transitions. [2023-11-24 22:53:37,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:53:37,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:37,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:37,539 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 22:53:38,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:38,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5400 states to 4707 states and 5400 transitions. [2023-11-24 22:53:38,349 INFO L276 IsEmpty]: Start isEmpty. Operand 4707 states and 5400 transitions. [2023-11-24 22:53:38,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:53:38,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:38,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:38,781 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 22:53:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 4709 states and 5402 transitions. [2023-11-24 22:53:39,585 INFO L276 IsEmpty]: Start isEmpty. Operand 4709 states and 5402 transitions. [2023-11-24 22:53:39,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:53:39,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:39,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:40,093 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 22:53:40,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5403 states to 4711 states and 5403 transitions. [2023-11-24 22:53:40,711 INFO L276 IsEmpty]: Start isEmpty. Operand 4711 states and 5403 transitions. [2023-11-24 22:53:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:53:40,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:40,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:41,394 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 22:53:47,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:47,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 4710 states and 5402 transitions. [2023-11-24 22:53:47,311 INFO L276 IsEmpty]: Start isEmpty. Operand 4710 states and 5402 transitions. [2023-11-24 22:53:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:53:47,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:47,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:47,811 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 22:53:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:48,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5401 states to 4709 states and 5401 transitions. [2023-11-24 22:53:48,000 INFO L276 IsEmpty]: Start isEmpty. Operand 4709 states and 5401 transitions. [2023-11-24 22:53:48,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:53:48,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:48,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat