./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/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_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:40,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:40,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:59:40,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:59:40,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:59:40,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:40,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:40,420 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:40,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:40,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:59:40,428 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:40,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:59:40,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:40,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:40,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:59:40,432 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:59:40,432 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:59:40,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:40,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:59:40,434 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:59:40,434 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:40,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:59:40,435 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:40,436 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:40,437 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:40,437 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:40,437 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:40,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:40,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:40,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:40,440 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:59:40,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:59:40,441 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_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 [2023-11-19 03:59:40,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:40,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:40,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:40,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:40,838 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:40,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2023-11-19 03:59:44,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:44,488 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:44,497 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2023-11-19 03:59:44,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/bin/ukojak-verify-G8NBE6pJGL/data/0833d456f/9a7112abc85149ef902c6e40cc79e82d/FLAG70cb61b50 [2023-11-19 03:59:44,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/bin/ukojak-verify-G8NBE6pJGL/data/0833d456f/9a7112abc85149ef902c6e40cc79e82d [2023-11-19 03:59:44,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:44,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:44,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:44,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:44,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:44,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d12fc43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44, skipping insertion in model container [2023-11-19 03:59:44,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,640 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:45,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:45,471 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:45,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:45,676 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:45,685 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:45,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:45 WrapperNode [2023-11-19 03:59:45,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:45,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:45,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:45,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:45,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:45" (1/1) ... [2023-11-19 03:59:45,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:45" (1/1) ... [2023-11-19 03:59:45,864 INFO L138 Inliner]: procedures = 208, calls = 237, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 1255 [2023-11-19 03:59:45,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:45,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:45,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:45,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:45,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:45" (1/1) ... [2023-11-19 03:59:45,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:45" (1/1) ... [2023-11-19 03:59:45,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:45" (1/1) ... [2023-11-19 03:59:45,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:45" (1/1) ... [2023-11-19 03:59:45,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:45" (1/1) ... [2023-11-19 03:59:46,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:45" (1/1) ... [2023-11-19 03:59:46,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:45" (1/1) ... [2023-11-19 03:59:46,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:45" (1/1) ... [2023-11-19 03:59:46,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:46,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:46,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:46,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:46,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:45" (1/1) ... [2023-11-19 03:59:46,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:46,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:46,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:46,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cda2d4b-9390-48f2-a65f-8f11dca5e4f8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:59:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:59:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:59:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:59:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:59:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:59:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:59:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:59:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:59:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:46,397 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:46,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:48,174 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:49,858 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:49,858 INFO L302 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-19 03:59:49,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:49 BoogieIcfgContainer [2023-11-19 03:59:49,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:49,866 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:49,866 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:49,877 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:49,878 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:49" (1/1) ... [2023-11-19 03:59:49,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:49,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:49,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 133 states and 219 transitions. [2023-11-19 03:59:49,972 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 219 transitions. [2023-11-19 03:59:49,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:59:49,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:49,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:50,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:50,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-11-19 03:59:50,209 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-11-19 03:59:50,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:59:50,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:50,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:50,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 135 states and 220 transitions. [2023-11-19 03:59:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 220 transitions. [2023-11-19 03:59:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:59:50,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:50,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:50,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:50,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:50,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 135 states and 218 transitions. [2023-11-19 03:59:50,616 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2023-11-19 03:59:50,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:59:50,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:50,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:50,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:50,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:50,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:50,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 135 states and 214 transitions. [2023-11-19 03:59:50,740 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 214 transitions. [2023-11-19 03:59:50,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:59:50,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:50,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:50,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:50,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:50,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:50,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 135 states and 208 transitions. [2023-11-19 03:59:50,907 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 208 transitions. [2023-11-19 03:59:50,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:59:50,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:50,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:51,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:51,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:51,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:53,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:59:53,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:53,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 135 states and 202 transitions. [2023-11-19 03:59:53,841 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 202 transitions. [2023-11-19 03:59:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:59:53,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:53,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:54,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:59:54,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:54,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:04,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:00:14,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:00:24,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:00:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 135 states and 197 transitions. [2023-11-19 04:00:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2023-11-19 04:00:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:00:24,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:24,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:24,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:24,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:34,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:00:34,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:34,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 135 states and 195 transitions. [2023-11-19 04:00:34,797 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 195 transitions. [2023-11-19 04:00:34,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:00:34,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:34,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:35,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:35,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:00:45,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []