./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.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_3150f04c-81b7-4590-9e84-312a5af310eb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3150f04c-81b7-4590-9e84-312a5af310eb/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_3150f04c-81b7-4590-9e84-312a5af310eb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3150f04c-81b7-4590-9e84-312a5af310eb/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3150f04c-81b7-4590-9e84-312a5af310eb/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_3150f04c-81b7-4590-9e84-312a5af310eb/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 5b724500cddd07446974ec59df8ac86aa980f4ff713324fa73d397377235cbe2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:34,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:35,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3150f04c-81b7-4590-9e84-312a5af310eb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 04:03:35,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:03:35,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:03:35,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:35,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:35,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:35,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:35,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:35,092 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:35,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:35,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:35,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:35,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:35,096 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:03:35,097 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:03:35,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:35,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:35,099 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:03:35,099 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:35,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:35,100 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:35,101 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:35,102 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:35,102 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:35,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:35,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:35,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:35,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:35,106 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:03:35,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:03:35,106 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_3150f04c-81b7-4590-9e84-312a5af310eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3150f04c-81b7-4590-9e84-312a5af310eb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b724500cddd07446974ec59df8ac86aa980f4ff713324fa73d397377235cbe2 [2023-11-19 04:03:35,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:35,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:35,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:35,451 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:35,451 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:35,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3150f04c-81b7-4590-9e84-312a5af310eb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i [2023-11-19 04:03:39,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:39,591 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:39,598 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3150f04c-81b7-4590-9e84-312a5af310eb/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i [2023-11-19 04:03:39,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3150f04c-81b7-4590-9e84-312a5af310eb/bin/ukojak-verify-G8NBE6pJGL/data/44eb31680/41bcdb437ddb41f18e4a78c54b394fe8/FLAGefe6279f5 [2023-11-19 04:03:39,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3150f04c-81b7-4590-9e84-312a5af310eb/bin/ukojak-verify-G8NBE6pJGL/data/44eb31680/41bcdb437ddb41f18e4a78c54b394fe8 [2023-11-19 04:03:39,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:39,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:39,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:39,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:39,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:39,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:39" (1/1) ... [2023-11-19 04:03:39,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e21f000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:39, skipping insertion in model container [2023-11-19 04:03:39,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:39" (1/1) ... [2023-11-19 04:03:39,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:40,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:40,759 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:40,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:40,967 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:03:40,976 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:40,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:40 WrapperNode [2023-11-19 04:03:40,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:40,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:40,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:40,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:40,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:40" (1/1) ... [2023-11-19 04:03:41,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:40" (1/1) ... [2023-11-19 04:03:41,218 INFO L138 Inliner]: procedures = 177, calls = 489, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 2271 [2023-11-19 04:03:41,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:41,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:41,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:41,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:41,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:40" (1/1) ... [2023-11-19 04:03:41,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:40" (1/1) ... [2023-11-19 04:03:41,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:40" (1/1) ... [2023-11-19 04:03:41,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:40" (1/1) ... [2023-11-19 04:03:41,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:40" (1/1) ... [2023-11-19 04:03:41,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:40" (1/1) ... [2023-11-19 04:03:41,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:40" (1/1) ... [2023-11-19 04:03:41,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:40" (1/1) ... [2023-11-19 04:03:41,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:41,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:41,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:41,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:41,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:40" (1/1) ... [2023-11-19 04:03:41,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:41,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3150f04c-81b7-4590-9e84-312a5af310eb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:41,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3150f04c-81b7-4590-9e84-312a5af310eb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:41,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3150f04c-81b7-4590-9e84-312a5af310eb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:03:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:03:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:03:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:03:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:03:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:03:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:03:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:03:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:03:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:41,875 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:41,878 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:44,725 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:48,095 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:48,096 INFO L302 CfgBuilder]: Removed 100 assume(true) statements. [2023-11-19 04:03:48,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:48 BoogieIcfgContainer [2023-11-19 04:03:48,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:48,107 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:48,107 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:48,120 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:48,121 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:48" (1/1) ... [2023-11-19 04:03:48,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:48,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:48,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 204 states and 347 transitions. [2023-11-19 04:03:48,227 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 347 transitions. [2023-11-19 04:03:48,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:03:48,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:48,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:48,541 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 04:03:48,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:48,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 205 states and 349 transitions. [2023-11-19 04:03:48,597 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 349 transitions. [2023-11-19 04:03:48,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:03:48,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:48,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:48,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:03:48,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:48,755 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 04:03:48,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:48,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 205 states and 345 transitions. [2023-11-19 04:03:48,768 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 345 transitions. [2023-11-19 04:03:48,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:03:48,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:48,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:48,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:03:48,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:48,913 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 04:03:48,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:48,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 205 states and 337 transitions. [2023-11-19 04:03:48,927 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 337 transitions. [2023-11-19 04:03:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:03:48,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:48,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:49,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:03:49,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:49,123 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 04:03:49,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 205 states and 325 transitions. [2023-11-19 04:03:49,140 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 325 transitions. [2023-11-19 04:03:49,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:03:49,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:49,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:49,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:03:49,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:49,458 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 04:03:51,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:03:53,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:03:53,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 205 states and 311 transitions. [2023-11-19 04:03:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 311 transitions. [2023-11-19 04:03:53,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:03:53,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:53,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:54,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:03:54,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:03:54,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:54,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 206 states and 311 transitions. [2023-11-19 04:03:54,558 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 311 transitions. [2023-11-19 04:03:54,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:03:54,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:54,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:55,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:03:55,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:03:55,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:55,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 205 states and 306 transitions. [2023-11-19 04:03:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 306 transitions. [2023-11-19 04:03:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:03:55,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:55,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:55,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:03:55,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:03:55,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:55,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 205 states and 302 transitions. [2023-11-19 04:03:55,652 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 302 transitions. [2023-11-19 04:03:55,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 04:03:55,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:55,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:56,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:03:56,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:56,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:03:56,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:56,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 205 states and 300 transitions. [2023-11-19 04:03:56,191 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 300 transitions. [2023-11-19 04:03:56,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 04:03:56,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:56,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:56,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:03:56,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:03:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 205 states and 298 transitions. [2023-11-19 04:03:57,423 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 298 transitions. [2023-11-19 04:03:57,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 04:03:57,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:57,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:57,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:03:57,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:58,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:02,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:04:12,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:04:22,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:04:23,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 249 states and 353 transitions. [2023-11-19 04:04:23,651 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 353 transitions. [2023-11-19 04:04:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 04:04:23,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:23,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:24,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:24,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:24,054 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 04:04:24,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:24,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 249 states and 351 transitions. [2023-11-19 04:04:24,069 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 351 transitions. [2023-11-19 04:04:24,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 04:04:24,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:24,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:24,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:24,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:24,519 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 04:04:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:24,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 249 states and 349 transitions. [2023-11-19 04:04:24,535 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 349 transitions. [2023-11-19 04:04:24,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 04:04:24,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:24,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:25,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:25,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:25,069 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 04:04:30,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:04:30,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:30,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 249 states and 347 transitions. [2023-11-19 04:04:30,821 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 347 transitions. [2023-11-19 04:04:30,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 04:04:30,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:30,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:31,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:31,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:31,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.