./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/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_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/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_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/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 3cf10b967a6b35e74e5635ad2528d1917037f5847cda0e92ca33349ed0f01758 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:43,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:43,234 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:56:43,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:43,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:43,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:43,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:43,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:43,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:43,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:43,270 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:56:43,271 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:43,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:56:43,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:43,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:43,273 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:56:43,274 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:56:43,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:43,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:43,276 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:56:43,277 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:56:43,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:43,278 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:43,279 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:43,279 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:43,280 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:43,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:43,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:43,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:43,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:43,282 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:43,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:43,283 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_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf10b967a6b35e74e5635ad2528d1917037f5847cda0e92ca33349ed0f01758 [2023-11-19 03:56:43,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:43,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:43,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:43,597 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:43,597 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:43,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.i [2023-11-19 03:56:46,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:56:47,120 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:56:47,122 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-1.i [2023-11-19 03:56:47,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/bin/ukojak-verify-G8NBE6pJGL/data/7120518fc/d29afa2a511f4459a225bd44b9c6b9d4/FLAG6943c436e [2023-11-19 03:56:47,165 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/bin/ukojak-verify-G8NBE6pJGL/data/7120518fc/d29afa2a511f4459a225bd44b9c6b9d4 [2023-11-19 03:56:47,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:56:47,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:56:47,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:47,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:56:47,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:56:47,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:47" (1/1) ... [2023-11-19 03:56:47,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b929de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:47, skipping insertion in model container [2023-11-19 03:56:47,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:47" (1/1) ... [2023-11-19 03:56:47,274 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:56:47,601 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:56:47,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:47,990 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:56:48,009 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:56:48,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:48,198 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:48,199 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:48,207 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:56:48,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48 WrapperNode [2023-11-19 03:56:48,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:48,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:48,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:56:48,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:56:48,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,374 INFO L138 Inliner]: procedures = 208, calls = 231, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1202 [2023-11-19 03:56:48,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:48,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:56:48,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:56:48,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:56:48,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:56:48,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:56:48,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:56:48,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:56:48,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:48,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:56:48,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:56:48,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf86274-94a4-4c5f-bbea-dd0a0cfaa045/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:56:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:56:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:56:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:56:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:56:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:56:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:56:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:56:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:56:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:56:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:56:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:56:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:56:48,805 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:56:48,808 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:56:50,463 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:56:52,379 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:56:52,379 INFO L302 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-19 03:56:52,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:52 BoogieIcfgContainer [2023-11-19 03:56:52,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:56:52,386 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:56:52,387 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:56:52,397 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:56:52,398 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:52" (1/1) ... [2023-11-19 03:56:52,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:56:52,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:52,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 99 states and 171 transitions. [2023-11-19 03:56:52,469 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 171 transitions. [2023-11-19 03:56:52,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:56:52,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:52,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:52,739 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 03:56:52,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 172 transitions. [2023-11-19 03:56:52,796 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2023-11-19 03:56:52,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:56:52,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:52,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:52,880 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 03:56:52,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:52,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 100 states and 170 transitions. [2023-11-19 03:56:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 170 transitions. [2023-11-19 03:56:52,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:56:52,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:52,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:53,152 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 03:56:53,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:53,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 106 states and 179 transitions. [2023-11-19 03:56:53,244 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 179 transitions. [2023-11-19 03:56:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:56:53,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:53,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:53,301 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 03:56:53,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:53,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions. [2023-11-19 03:56:53,314 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2023-11-19 03:56:53,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:56:53,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:53,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:53,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:56:53,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:53,442 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 03:56:53,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:53,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 172 transitions. [2023-11-19 03:56:53,450 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 172 transitions. [2023-11-19 03:56:53,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:56:53,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:53,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:53,482 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 03:56:53,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 105 states and 168 transitions. [2023-11-19 03:56:53,488 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2023-11-19 03:56:53,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:56:53,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:53,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:53,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:56:53,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:53,578 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 03:56:53,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 105 states and 164 transitions. [2023-11-19 03:56:53,583 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 164 transitions. [2023-11-19 03:56:53,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:56:53,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:53,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:53,614 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 03:56:53,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 105 states and 162 transitions. [2023-11-19 03:56:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 162 transitions. [2023-11-19 03:56:53,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:56:53,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:53,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:53,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:56:53,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:53,781 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 03:56:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 105 states and 156 transitions. [2023-11-19 03:56:53,790 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 156 transitions. [2023-11-19 03:56:53,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:56:53,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:53,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:53,865 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 03:56:55,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:56:55,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:55,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 105 states and 154 transitions. [2023-11-19 03:56:55,040 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 154 transitions. [2023-11-19 03:56:55,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:56:55,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:55,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:55,989 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 03:56:56,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:56,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 110 states and 163 transitions. [2023-11-19 03:56:56,796 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 163 transitions. [2023-11-19 03:56:56,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:56:56,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:56,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:56,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:56:56,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:57,001 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 03:56:58,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:56:58,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:58,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 110 states and 157 transitions. [2023-11-19 03:56:58,255 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 157 transitions. [2023-11-19 03:56:58,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:56:58,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:58,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:58,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:56:58,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:58,768 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 03:57:05,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:57:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 123 states and 174 transitions. [2023-11-19 03:57:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 174 transitions. [2023-11-19 03:57:05,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:57:05,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:05,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:05,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:57:05,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:05,680 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 03:57:05,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:05,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 123 states and 172 transitions. [2023-11-19 03:57:05,699 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 172 transitions. [2023-11-19 03:57:05,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:57:05,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:05,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:05,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:57:05,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:05,917 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 03:57:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:05,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 123 states and 170 transitions. [2023-11-19 03:57:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2023-11-19 03:57:05,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:57:05,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:05,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:06,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:57:06,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:06,249 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 03:57:16,262 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 03:57:16,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:16,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 123 states and 168 transitions. [2023-11-19 03:57:16,281 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 168 transitions. [2023-11-19 03:57:16,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:57:16,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:16,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:16,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:16,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:16,661 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 03:57:26,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:57:36,695 WARN L539 Checker$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 03:57:46,699 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 03:57:46,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:46,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 124 states and 167 transitions. [2023-11-19 03:57:46,725 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 167 transitions. [2023-11-19 03:57:46,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:57:46,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:46,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms