./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.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_8032a08d-d874-4b44-b3d9-94ef2b9b4312/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8032a08d-d874-4b44-b3d9-94ef2b9b4312/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_8032a08d-d874-4b44-b3d9-94ef2b9b4312/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8032a08d-d874-4b44-b3d9-94ef2b9b4312/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8032a08d-d874-4b44-b3d9-94ef2b9b4312/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_8032a08d-d874-4b44-b3d9-94ef2b9b4312/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 43c551c05c986c34609f999e25a13e0dbb4f692e7b1d3b7f2939ec615c71d0d0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:45,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:45,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8032a08d-d874-4b44-b3d9-94ef2b9b4312/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 04:08:45,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:45,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:45,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:45,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:45,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:45,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:45,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:45,592 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:45,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:45,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:45,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:45,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:45,595 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:08:45,595 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:08:45,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:45,596 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:45,597 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:08:45,597 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:45,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:45,598 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:45,599 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:45,599 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:45,600 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:45,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:45,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:45,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:45,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:45,602 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:45,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:45,603 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_8032a08d-d874-4b44-b3d9-94ef2b9b4312/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8032a08d-d874-4b44-b3d9-94ef2b9b4312/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c551c05c986c34609f999e25a13e0dbb4f692e7b1d3b7f2939ec615c71d0d0 [2023-11-19 04:08:45,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:45,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:45,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:45,969 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:45,970 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:45,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8032a08d-d874-4b44-b3d9-94ef2b9b4312/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i [2023-11-19 04:08:49,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:49,458 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:49,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8032a08d-d874-4b44-b3d9-94ef2b9b4312/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-1.i [2023-11-19 04:08:49,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8032a08d-d874-4b44-b3d9-94ef2b9b4312/bin/ukojak-verify-G8NBE6pJGL/data/bcd44aac6/19362c0bf8ac4d6a85a02fdbd90742b3/FLAG7a9b33287 [2023-11-19 04:08:49,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8032a08d-d874-4b44-b3d9-94ef2b9b4312/bin/ukojak-verify-G8NBE6pJGL/data/bcd44aac6/19362c0bf8ac4d6a85a02fdbd90742b3 [2023-11-19 04:08:49,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:49,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:49,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:49,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:49,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:49,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:49" (1/1) ... [2023-11-19 04:08:49,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63538e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:49, skipping insertion in model container [2023-11-19 04:08:49,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:49" (1/1) ... [2023-11-19 04:08:49,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:50,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:50,359 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:50,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:50,690 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:50,698 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:50,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50 WrapperNode [2023-11-19 04:08:50,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:50,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:50,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:50,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:50,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,979 INFO L138 Inliner]: procedures = 177, calls = 525, calls flagged for inlining = 17, calls inlined = 44, statements flattened = 3348 [2023-11-19 04:08:50,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:50,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:50,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:50,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:50,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:50,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:51,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:51,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:51,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:51,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:51,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:51,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:51,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:51,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:51,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:51,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:51,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:50" (1/1) ... [2023-11-19 04:08:51,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:51,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8032a08d-d874-4b44-b3d9-94ef2b9b4312/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:51,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8032a08d-d874-4b44-b3d9-94ef2b9b4312/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:51,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8032a08d-d874-4b44-b3d9-94ef2b9b4312/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:08:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:08:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:08:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:08:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:08:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:08:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:08:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:08:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:51,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:51,659 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:51,661 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:54,672 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:59,722 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:59,723 INFO L302 CfgBuilder]: Removed 151 assume(true) statements. [2023-11-19 04:08:59,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:59 BoogieIcfgContainer [2023-11-19 04:08:59,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:59,738 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:59,739 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:59,748 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:59,749 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:59,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 355 states and 593 transitions. [2023-11-19 04:08:59,852 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 593 transitions. [2023-11-19 04:08:59,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:08:59,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:59,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:00,085 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 04:09:00,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:00,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 354 states and 587 transitions. [2023-11-19 04:09:00,106 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 587 transitions. [2023-11-19 04:09:00,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:09:00,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:00,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:00,179 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 04:09:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 354 states and 583 transitions. [2023-11-19 04:09:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 583 transitions. [2023-11-19 04:09:00,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:09:00,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:00,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:00,488 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 04:09:00,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:00,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 356 states and 584 transitions. [2023-11-19 04:09:00,530 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 584 transitions. [2023-11-19 04:09:00,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:09:00,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:00,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:00,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:09:00,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:00,709 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 04:09:05,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:09:05,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:05,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 356 states and 579 transitions. [2023-11-19 04:09:05,517 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 579 transitions. [2023-11-19 04:09:05,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:09:05,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:05,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:05,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:09:05,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:05,775 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 04:09:05,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:05,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 356 states and 575 transitions. [2023-11-19 04:09:05,794 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 575 transitions. [2023-11-19 04:09:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:09:05,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:05,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:05,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:09:05,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:05,996 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 04:09:06,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:06,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 356 states and 569 transitions. [2023-11-19 04:09:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 569 transitions. [2023-11-19 04:09:06,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:09:06,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:06,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:06,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:09:06,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:06,282 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 04:09:16,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:09:16,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:16,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 356 states and 563 transitions. [2023-11-19 04:09:16,357 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 563 transitions. [2023-11-19 04:09:16,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:09:16,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:16,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:16,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:09:16,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:16,770 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 04:09:27,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:09:37,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:09:47,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:09:47,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:47,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 357 states and 561 transitions. [2023-11-19 04:09:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 561 transitions. [2023-11-19 04:09:47,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:09:47,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:47,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:48,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:09:48,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:48,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.