./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/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_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/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_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/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 cb182062e759f3e947e2f86847df2222bda90081d4cc013a50b9baa2d9844063 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:22:38,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:22:38,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:22:38,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:22:38,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:22:38,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:22:38,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:22:38,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:22:38,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:22:38,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:22:38,977 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:22:38,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:22:38,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:22:38,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:22:38,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:22:38,980 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:22:38,980 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:22:38,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:22:38,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:22:38,982 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:22:38,982 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:22:38,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:22:38,984 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:22:38,984 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:22:38,985 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:22:38,985 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:22:38,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:22:38,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:38,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:22:38,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:22:38,988 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:22:38,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:22:38,994 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_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb182062e759f3e947e2f86847df2222bda90081d4cc013a50b9baa2d9844063 [2023-11-19 03:22:39,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:22:39,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:22:39,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:22:39,270 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:22:39,271 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:22:39,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i [2023-11-19 03:22:42,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:22:42,773 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:22:42,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i [2023-11-19 03:22:42,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/bin/ukojak-verify-G8NBE6pJGL/data/70628dac4/42dd3411fa694f9aa45de741073adf37/FLAG6cf6fb29a [2023-11-19 03:22:42,822 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/bin/ukojak-verify-G8NBE6pJGL/data/70628dac4/42dd3411fa694f9aa45de741073adf37 [2023-11-19 03:22:42,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:22:42,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:22:42,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:42,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:22:42,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:22:42,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:42" (1/1) ... [2023-11-19 03:22:42,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5108787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:42, skipping insertion in model container [2023-11-19 03:22:42,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:42" (1/1) ... [2023-11-19 03:22:42,945 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:22:43,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:43,745 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:22:43,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:43,928 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:43,936 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:22:43,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:43 WrapperNode [2023-11-19 03:22:43,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:43,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:43,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:22:43,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:22:43,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:43" (1/1) ... [2023-11-19 03:22:44,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:43" (1/1) ... [2023-11-19 03:22:44,166 INFO L138 Inliner]: procedures = 177, calls = 489, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 2271 [2023-11-19 03:22:44,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:44,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:22:44,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:22:44,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:22:44,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:43" (1/1) ... [2023-11-19 03:22:44,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:43" (1/1) ... [2023-11-19 03:22:44,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:43" (1/1) ... [2023-11-19 03:22:44,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:43" (1/1) ... [2023-11-19 03:22:44,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:43" (1/1) ... [2023-11-19 03:22:44,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:43" (1/1) ... [2023-11-19 03:22:44,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:43" (1/1) ... [2023-11-19 03:22:44,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:43" (1/1) ... [2023-11-19 03:22:44,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:22:44,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:22:44,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:22:44,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:22:44,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:43" (1/1) ... [2023-11-19 03:22:44,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:44,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:22:44,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:22:44,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8878761a-dfba-465d-b7b3-7b8a4fb29ff9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:22:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:22:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:22:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:22:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:22:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:22:44,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:22:44,487 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:22:44,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:22:44,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:22:44,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:22:44,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:22:44,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:22:44,785 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:22:44,787 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:22:47,090 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:22:49,696 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:22:49,696 INFO L302 CfgBuilder]: Removed 100 assume(true) statements. [2023-11-19 03:22:49,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:49 BoogieIcfgContainer [2023-11-19 03:22:49,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:22:49,705 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:22:49,705 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:22:49,715 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:22:49,715 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:49" (1/1) ... [2023-11-19 03:22:49,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:22:49,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:49,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 204 states and 347 transitions. [2023-11-19 03:22:49,796 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 347 transitions. [2023-11-19 03:22:49,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:22:49,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:49,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:50,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:50,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 205 states and 349 transitions. [2023-11-19 03:22:50,168 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 349 transitions. [2023-11-19 03:22:50,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:22:50,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:50,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:50,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:50,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:50,374 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 03:22:50,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 205 states and 345 transitions. [2023-11-19 03:22:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 345 transitions. [2023-11-19 03:22:50,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:22:50,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:50,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:50,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:50,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:50,535 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 03:22:50,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:50,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 205 states and 337 transitions. [2023-11-19 03:22:50,545 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 337 transitions. [2023-11-19 03:22:50,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:22:50,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:50,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:50,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:50,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:50,705 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 03:22:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 205 states and 325 transitions. [2023-11-19 03:22:50,716 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 325 transitions. [2023-11-19 03:22:50,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:22:50,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:50,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:51,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:51,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:51,019 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 03:22:52,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:22:54,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:22:54,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 205 states and 311 transitions. [2023-11-19 03:22:54,744 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 311 transitions. [2023-11-19 03:22:54,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:22:54,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:54,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:55,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:22:55,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:55,239 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 03:22:55,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:55,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 206 states and 311 transitions. [2023-11-19 03:22:55,267 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 311 transitions. [2023-11-19 03:22:55,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:22:55,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:55,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:55,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:55,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:55,755 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 03:22:55,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:55,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 205 states and 306 transitions. [2023-11-19 03:22:55,773 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 306 transitions. [2023-11-19 03:22:55,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:22:55,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:55,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:56,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:56,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:56,157 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 03:22:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:56,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 205 states and 302 transitions. [2023-11-19 03:22:56,172 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 302 transitions. [2023-11-19 03:22:56,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:22:56,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:56,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:56,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:56,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:56,631 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 03:22:56,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:56,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 205 states and 300 transitions. [2023-11-19 03:22:56,640 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 300 transitions. [2023-11-19 03:22:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 03:22:56,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:56,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:57,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:57,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:57,046 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 03:22:57,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 205 states and 298 transitions. [2023-11-19 03:22:57,831 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 298 transitions. [2023-11-19 03:22:57,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 03:22:57,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:57,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:58,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:22:58,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:58,362 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 03:23:01,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:12,130 WARN L539 Checker$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 03:23:18,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:19,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 249 states and 353 transitions. [2023-11-19 03:23:19,034 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 353 transitions. [2023-11-19 03:23:19,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 03:23:19,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:19,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:19,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:19,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:19,510 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 03:23:19,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:19,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 249 states and 351 transitions. [2023-11-19 03:23:19,526 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 351 transitions. [2023-11-19 03:23:19,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:23:19,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:19,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:19,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:19,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:19,953 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 03:23:19,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 249 states and 349 transitions. [2023-11-19 03:23:19,980 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 349 transitions. [2023-11-19 03:23:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:23:19,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:19,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:20,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:20,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:30,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:30,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:30,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 249 states and 347 transitions. [2023-11-19 03:23:30,443 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 347 transitions. [2023-11-19 03:23:30,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:23:30,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:30,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:30,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:30,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:40,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:41,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:41,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 249 states and 345 transitions. [2023-11-19 03:23:41,005 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 345 transitions. [2023-11-19 03:23:41,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:23:41,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:41,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:41,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:23:41,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:41,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.