./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL --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 32bit --witnessprinter.graph.data.programhash bb0a504b43b0de742fcc89ebbe9d313056bb1824edece6c56238a649b6f48626 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:29,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:29,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:06:29,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:29,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:29,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:29,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:29,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:29,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:29,220 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:29,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:29,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:29,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:29,222 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:06:29,223 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:06:29,223 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:06:29,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:29,224 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:06:29,225 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:29,225 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:29,226 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:29,227 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:29,227 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:29,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:29,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:29,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:29,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:29,230 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:29,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:29,230 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_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb0a504b43b0de742fcc89ebbe9d313056bb1824edece6c56238a649b6f48626 [2023-11-19 04:06:29,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:29,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:29,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:29,633 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:29,635 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:29,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2023-11-19 04:06:32,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:33,330 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:33,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2023-11-19 04:06:33,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL/data/3de32ea98/8516c72064c34fcca09e47ba537dc4d0/FLAG538cae24b [2023-11-19 04:06:33,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL/data/3de32ea98/8516c72064c34fcca09e47ba537dc4d0 [2023-11-19 04:06:33,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:33,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:33,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:33,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:33,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:33,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:33" (1/1) ... [2023-11-19 04:06:33,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a2390c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:33, skipping insertion in model container [2023-11-19 04:06:33,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:33" (1/1) ... [2023-11-19 04:06:33,488 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:34,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:34,028 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:34,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:34,205 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:34,214 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:34,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34 WrapperNode [2023-11-19 04:06:34,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:34,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:34,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:34,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:34,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,297 INFO L138 Inliner]: procedures = 166, calls = 80, calls flagged for inlining = 33, calls inlined = 8, statements flattened = 125 [2023-11-19 04:06:34,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:34,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:34,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:34,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:34,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:34,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:34,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:34,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:34,342 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:34,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:34,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:34,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d736aee1-b772-4757-bc36-9327ce048740/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:06:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:06:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:06:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:06:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:06:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:34,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:34,654 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:34,657 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:35,081 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:35,196 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:35,196 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:06:35,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:35 BoogieIcfgContainer [2023-11-19 04:06:35,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:35,202 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:35,202 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:35,213 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:35,222 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:35" (1/1) ... [2023-11-19 04:06:35,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:35,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2023-11-19 04:06:35,301 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2023-11-19 04:06:35,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:06:35,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:35,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:35,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:35,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:35,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 47 states and 52 transitions. [2023-11-19 04:06:35,765 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2023-11-19 04:06:35,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:06:35,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:35,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:36,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:36,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:36,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2023-11-19 04:06:36,244 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-11-19 04:06:36,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:06:36,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:36,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:36,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:37,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2023-11-19 04:06:37,528 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2023-11-19 04:06:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:06:37,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:37,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:39,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:39,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2023-11-19 04:06:39,746 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-19 04:06:39,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:06:39,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:39,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:39,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:40,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:40,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 52 states and 65 transitions. [2023-11-19 04:06:40,102 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2023-11-19 04:06:40,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:06:40,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:40,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:40,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:40,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 56 states and 74 transitions. [2023-11-19 04:06:40,476 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2023-11-19 04:06:40,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:06:40,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:40,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:40,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:41,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:41,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2023-11-19 04:06:41,670 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2023-11-19 04:06:41,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:06:41,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:41,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:43,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2023-11-19 04:06:43,814 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2023-11-19 04:06:43,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:06:43,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:43,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2023-11-19 04:06:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2023-11-19 04:06:44,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:06:44,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:44,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2023-11-19 04:06:47,473 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2023-11-19 04:06:47,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:06:47,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:47,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:47,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:50,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:50,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 63 states and 93 transitions. [2023-11-19 04:06:50,203 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2023-11-19 04:06:50,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:06:50,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:50,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:50,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:06:50,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:50,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 64 states and 95 transitions. [2023-11-19 04:06:50,724 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 95 transitions. [2023-11-19 04:06:50,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:06:50,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:50,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:50,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 70 states and 106 transitions. [2023-11-19 04:06:52,731 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2023-11-19 04:06:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:06:52,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:52,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:53,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:54,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:54,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 71 states and 107 transitions. [2023-11-19 04:06:54,229 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 107 transitions. [2023-11-19 04:06:54,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:06:54,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:54,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:06:55,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:55,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 114 transitions. [2023-11-19 04:06:55,523 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2023-11-19 04:06:55,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:06:55,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:55,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:58,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:58,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 80 states and 135 transitions. [2023-11-19 04:06:58,562 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2023-11-19 04:06:58,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:06:58,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:58,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:59,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:03,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:03,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 86 states and 153 transitions. [2023-11-19 04:07:03,132 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 153 transitions. [2023-11-19 04:07:03,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:03,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:03,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:07,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:07,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 91 states and 169 transitions. [2023-11-19 04:07:07,360 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 169 transitions. [2023-11-19 04:07:07,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:07:07,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:07,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:07,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:08,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:08,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 91 states and 168 transitions. [2023-11-19 04:07:08,999 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 168 transitions. [2023-11-19 04:07:08,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:07:09,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:09,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:09,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:07:10,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:10,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 90 states and 163 transitions. [2023-11-19 04:07:10,470 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 163 transitions. [2023-11-19 04:07:10,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:07:10,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:10,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:17,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 97 states and 187 transitions. [2023-11-19 04:07:17,324 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 187 transitions. [2023-11-19 04:07:17,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:07:17,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:17,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:20,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:20,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 100 states and 198 transitions. [2023-11-19 04:07:20,852 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 198 transitions. [2023-11-19 04:07:20,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:07:20,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:20,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.