./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_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_03e02958-2f6c-4efc-b5fb-ca926aba9342/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e02958-2f6c-4efc-b5fb-ca926aba9342/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_03e02958-2f6c-4efc-b5fb-ca926aba9342/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e02958-2f6c-4efc-b5fb-ca926aba9342/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e02958-2f6c-4efc-b5fb-ca926aba9342/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_03e02958-2f6c-4efc-b5fb-ca926aba9342/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 04:00:00,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:00,825 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e02958-2f6c-4efc-b5fb-ca926aba9342/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 04:00:00,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:00,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:00,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:00,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:00,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:00,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:00,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:00,860 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:00,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:00,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:00,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:00,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:00,863 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:00:00,864 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:00:00,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:00,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:00,865 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:00:00,866 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:00,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:00,867 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:00,868 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:00,869 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:00,869 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:00,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:00,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:00,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:00,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:00,872 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:00,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:00,873 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_03e02958-2f6c-4efc-b5fb-ca926aba9342/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e02958-2f6c-4efc-b5fb-ca926aba9342/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf10b967a6b35e74e5635ad2528d1917037f5847cda0e92ca33349ed0f01758 [2023-11-19 04:00:01,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:01,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:01,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:01,172 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:01,172 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:01,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e02958-2f6c-4efc-b5fb-ca926aba9342/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i [2023-11-19 04:00:04,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:04,667 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:04,672 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e02958-2f6c-4efc-b5fb-ca926aba9342/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test2-1.i [2023-11-19 04:00:04,698 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e02958-2f6c-4efc-b5fb-ca926aba9342/bin/ukojak-verify-G8NBE6pJGL/data/6169c784d/de3ad011398a4f1abaef5c987c4c0daa/FLAG76d18140a [2023-11-19 04:00:04,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e02958-2f6c-4efc-b5fb-ca926aba9342/bin/ukojak-verify-G8NBE6pJGL/data/6169c784d/de3ad011398a4f1abaef5c987c4c0daa [2023-11-19 04:00:04,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:04,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:04,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:04,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:04,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:04,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:04" (1/1) ... [2023-11-19 04:00:04,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3804cdfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:04, skipping insertion in model container [2023-11-19 04:00:04,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:04" (1/1) ... [2023-11-19 04:00:04,831 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:05,204 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:00:05,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:05,565 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:05,586 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:00:05,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:05,711 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:05,711 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:05,719 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:05,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:05 WrapperNode [2023-11-19 04:00:05,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:05,721 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:05,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:05,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:05,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:05" (1/1) ... [2023-11-19 04:00:05,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:05" (1/1) ... [2023-11-19 04:00:05,869 INFO L138 Inliner]: procedures = 208, calls = 231, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1202 [2023-11-19 04:00:05,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:05,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:05,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:05,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:05,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:05" (1/1) ... [2023-11-19 04:00:05,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:05" (1/1) ... [2023-11-19 04:00:05,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:05" (1/1) ... [2023-11-19 04:00:05,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:05" (1/1) ... [2023-11-19 04:00:05,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:05" (1/1) ... [2023-11-19 04:00:05,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:05" (1/1) ... [2023-11-19 04:00:05,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:05" (1/1) ... [2023-11-19 04:00:05,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:05" (1/1) ... [2023-11-19 04:00:06,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:06,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:06,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:06,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:06,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:05" (1/1) ... [2023-11-19 04:00:06,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:06,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e02958-2f6c-4efc-b5fb-ca926aba9342/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:06,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e02958-2f6c-4efc-b5fb-ca926aba9342/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:06,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e02958-2f6c-4efc-b5fb-ca926aba9342/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:00:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:00:06,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:00:06,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:00:06,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:00:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:00:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:00:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:00:06,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:06,337 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:06,339 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:07,898 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:09,488 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:09,488 INFO L302 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-19 04:00:09,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:09 BoogieIcfgContainer [2023-11-19 04:00:09,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:09,499 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:09,499 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:09,509 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:09,509 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:09" (1/1) ... [2023-11-19 04:00:09,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:09,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:09,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 99 states and 171 transitions. [2023-11-19 04:00:09,593 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 171 transitions. [2023-11-19 04:00:09,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:00:09,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:09,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:09,940 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 04:00:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:09,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 172 transitions. [2023-11-19 04:00:09,991 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2023-11-19 04:00:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:00:09,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:09,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:10,043 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 04:00:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 100 states and 170 transitions. [2023-11-19 04:00:10,065 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 170 transitions. [2023-11-19 04:00:10,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:00:10,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:10,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:10,195 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 04:00:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:10,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 106 states and 179 transitions. [2023-11-19 04:00:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 179 transitions. [2023-11-19 04:00:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:00:10,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:10,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:10,313 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 04:00:10,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:10,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions. [2023-11-19 04:00:10,330 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2023-11-19 04:00:10,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:00:10,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:10,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:10,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:10,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:10,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:10,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 172 transitions. [2023-11-19 04:00:10,477 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 172 transitions. [2023-11-19 04:00:10,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:00:10,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:10,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:10,548 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 04:00:10,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:10,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 105 states and 168 transitions. [2023-11-19 04:00:10,553 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2023-11-19 04:00:10,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:00:10,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:10,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:10,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:10,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:10,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:10,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:10,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 105 states and 164 transitions. [2023-11-19 04:00:10,663 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 164 transitions. [2023-11-19 04:00:10,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:00:10,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:10,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:10,716 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 04:00:10,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 105 states and 162 transitions. [2023-11-19 04:00:10,721 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 162 transitions. [2023-11-19 04:00:10,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:00:10,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:10,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:10,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:10,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:10,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:10,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:10,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 105 states and 156 transitions. [2023-11-19 04:00:10,905 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 156 transitions. [2023-11-19 04:00:10,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:00:10,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:10,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:10,992 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 04:00:12,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:00:12,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:12,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 105 states and 154 transitions. [2023-11-19 04:00:12,299 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 154 transitions. [2023-11-19 04:00:12,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:00:12,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:12,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:13,105 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 04:00:13,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:13,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 110 states and 163 transitions. [2023-11-19 04:00:13,832 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 163 transitions. [2023-11-19 04:00:13,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:00:13,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:13,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:13,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:13,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:14,001 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 04:00:14,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:14,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 110 states and 157 transitions. [2023-11-19 04:00:14,836 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 157 transitions. [2023-11-19 04:00:14,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:00:14,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:14,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:15,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:15,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:15,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:19,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:00:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 123 states and 174 transitions. [2023-11-19 04:00:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 174 transitions. [2023-11-19 04:00:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:00:19,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:19,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:20,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:20,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:20,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 123 states and 172 transitions. [2023-11-19 04:00:20,201 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 172 transitions. [2023-11-19 04:00:20,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:00:20,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:20,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:20,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:20,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:20,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:20,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:20,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 123 states and 170 transitions. [2023-11-19 04:00:20,415 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2023-11-19 04:00:20,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:00:20,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:20,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:20,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:20,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:20,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:30,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:00:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 123 states and 168 transitions. [2023-11-19 04:00:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 168 transitions. [2023-11-19 04:00:30,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:00:30,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:30,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:30,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:31,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:00:41,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:00:51,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:01:01,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []