./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.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_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/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_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/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_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/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 67d7a8078c463999fbe6676df51bd105d1b2c9209543e9e47ea1846fac277ca0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:47,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:47,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:45:47,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:45:47,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:45:47,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:47,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:47,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:47,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:47,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:47,317 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:45:47,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:45:47,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:45:47,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:47,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:47,321 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:45:47,322 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:45:47,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:47,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:47,324 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:45:47,324 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:45:47,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:47,325 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:47,326 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:47,327 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:47,327 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:47,328 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:47,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:47,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:47,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:47,331 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:45:47,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:45:47,332 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_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d7a8078c463999fbe6676df51bd105d1b2c9209543e9e47ea1846fac277ca0 [2023-11-19 02:45:47,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:47,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:47,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:47,748 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:47,749 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:47,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i [2023-11-19 02:45:50,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:51,233 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:51,235 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i [2023-11-19 02:45:51,256 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/bin/ukojak-verify-G8NBE6pJGL/data/3f5e2943d/31f7b3d74fe345baa384ca5cb9b27bf0/FLAG793621397 [2023-11-19 02:45:51,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/bin/ukojak-verify-G8NBE6pJGL/data/3f5e2943d/31f7b3d74fe345baa384ca5cb9b27bf0 [2023-11-19 02:45:51,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:51,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:51,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:51,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:51,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:51,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:51" (1/1) ... [2023-11-19 02:45:51,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da11bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:51, skipping insertion in model container [2023-11-19 02:45:51,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:51" (1/1) ... [2023-11-19 02:45:51,369 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:51,689 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:52,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:52,144 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:52,188 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:45:52,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:52,353 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:45:52,361 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:52,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52 WrapperNode [2023-11-19 02:45:52,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:52,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:52,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:52,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:52,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,626 INFO L138 Inliner]: procedures = 178, calls = 341, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1490 [2023-11-19 02:45:52,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:52,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:52,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:52,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:52,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:52,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:52,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:52,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:52,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:52,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:52,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:52,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363e8c45-2cad-441e-8a0f-02f0b6b5fe20/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:45:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:45:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:45:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:45:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:45:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:45:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:45:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:45:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:53,270 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:53,273 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:55,352 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:57,322 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:57,323 INFO L302 CfgBuilder]: Removed 60 assume(true) statements. [2023-11-19 02:45:57,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:57 BoogieIcfgContainer [2023-11-19 02:45:57,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:57,334 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:57,334 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:57,345 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:57,347 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:57,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:57,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 108 states and 188 transitions. [2023-11-19 02:45:57,432 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 188 transitions. [2023-11-19 02:45:57,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:45:57,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:57,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:57,663 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 02:45:57,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 109 states and 189 transitions. [2023-11-19 02:45:57,722 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 189 transitions. [2023-11-19 02:45:57,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:45:57,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:57,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:57,798 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 02:45:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:57,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 111 states and 194 transitions. [2023-11-19 02:45:57,844 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 194 transitions. [2023-11-19 02:45:57,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:45:57,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:57,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:58,054 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 02:45:58,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:58,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 195 transitions. [2023-11-19 02:45:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 195 transitions. [2023-11-19 02:45:58,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:45:58,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:58,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:58,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:58,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:58,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:58,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:58,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 112 states and 191 transitions. [2023-11-19 02:45:58,384 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 191 transitions. [2023-11-19 02:45:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:45:58,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:58,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:58,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:58,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:58,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:58,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 112 states and 183 transitions. [2023-11-19 02:45:58,570 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 183 transitions. [2023-11-19 02:45:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:45:58,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:58,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:58,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:58,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:58,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:58,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 112 states and 171 transitions. [2023-11-19 02:45:58,737 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 171 transitions. [2023-11-19 02:45:58,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:45:58,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:58,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:59,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:59,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:59,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:09,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:46:19,165 WARN L539 Checker$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 02:46:19,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:19,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 112 states and 159 transitions. [2023-11-19 02:46:19,253 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 159 transitions. [2023-11-19 02:46:19,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:46:19,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:19,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:19,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:46:19,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:20,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:30,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:46:40,240 WARN L539 Checker$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 02:46:50,265 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 []