./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.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_4bab6523-eca5-4d98-939f-7a0fb0099cf9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bab6523-eca5-4d98-939f-7a0fb0099cf9/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_4bab6523-eca5-4d98-939f-7a0fb0099cf9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bab6523-eca5-4d98-939f-7a0fb0099cf9/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bab6523-eca5-4d98-939f-7a0fb0099cf9/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_4bab6523-eca5-4d98-939f-7a0fb0099cf9/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 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:05:07,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:07,541 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bab6523-eca5-4d98-939f-7a0fb0099cf9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:05:07,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:05:07,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:05:07,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:07,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:07,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:07,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:07,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:07,624 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:05:07,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:05:07,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:05:07,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:07,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:07,628 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:05:07,629 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:05:07,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:07,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:07,630 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:05:07,631 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:05:07,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:07,632 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:07,633 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:07,633 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:07,634 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:07,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:07,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:07,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:07,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:07,637 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:05:07,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:05:07,638 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_4bab6523-eca5-4d98-939f-7a0fb0099cf9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bab6523-eca5-4d98-939f-7a0fb0099cf9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 [2023-11-19 03:05:07,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:08,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:08,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:08,033 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:08,033 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:08,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bab6523-eca5-4d98-939f-7a0fb0099cf9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2023-11-19 03:05:11,086 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:11,509 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:11,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bab6523-eca5-4d98-939f-7a0fb0099cf9/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2023-11-19 03:05:11,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bab6523-eca5-4d98-939f-7a0fb0099cf9/bin/ukojak-verify-G8NBE6pJGL/data/1397f75f0/62b3bd22f5664913896d1e269bacdc89/FLAG9ed102a42 [2023-11-19 03:05:11,550 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bab6523-eca5-4d98-939f-7a0fb0099cf9/bin/ukojak-verify-G8NBE6pJGL/data/1397f75f0/62b3bd22f5664913896d1e269bacdc89 [2023-11-19 03:05:11,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:11,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:11,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:11,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:11,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:11,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:11" (1/1) ... [2023-11-19 03:05:11,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26667abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:11, skipping insertion in model container [2023-11-19 03:05:11,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:11" (1/1) ... [2023-11-19 03:05:11,641 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:12,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:12,321 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:12,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:12,491 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:05:12,500 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:12,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12 WrapperNode [2023-11-19 03:05:12,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:12,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:12,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:12,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:12,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,720 INFO L138 Inliner]: procedures = 177, calls = 489, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 2271 [2023-11-19 03:05:12,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:12,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:12,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:12,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:12,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:12,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:12,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:12,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:12,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:12" (1/1) ... [2023-11-19 03:05:12,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:12,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bab6523-eca5-4d98-939f-7a0fb0099cf9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:13,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bab6523-eca5-4d98-939f-7a0fb0099cf9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:13,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bab6523-eca5-4d98-939f-7a0fb0099cf9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:05:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:05:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:05:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:05:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:05:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:05:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:05:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:05:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:05:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:13,357 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:13,359 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:15,776 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:18,706 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:18,707 INFO L302 CfgBuilder]: Removed 100 assume(true) statements. [2023-11-19 03:05:18,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:18 BoogieIcfgContainer [2023-11-19 03:05:18,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:05:18,716 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:05:18,716 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:05:18,726 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:05:18,727 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:18" (1/1) ... [2023-11-19 03:05:18,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:05:18,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:18,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 204 states and 347 transitions. [2023-11-19 03:05:18,849 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 347 transitions. [2023-11-19 03:05:18,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:05:18,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:18,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:19,139 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 03:05:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 205 states and 349 transitions. [2023-11-19 03:05:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 349 transitions. [2023-11-19 03:05:19,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:05:19,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:19,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:19,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:05:19,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:19,347 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 03:05:19,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:19,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 205 states and 345 transitions. [2023-11-19 03:05:19,363 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 345 transitions. [2023-11-19 03:05:19,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:05:19,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:19,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:19,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:05:19,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:19,498 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 03:05:19,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:19,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 205 states and 337 transitions. [2023-11-19 03:05:19,516 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 337 transitions. [2023-11-19 03:05:19,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:05:19,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:19,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:19,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:05:19,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:19,721 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 03:05:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 205 states and 325 transitions. [2023-11-19 03:05:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 325 transitions. [2023-11-19 03:05:19,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:05:19,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:19,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:19,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:05:19,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:19,991 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 03:05:22,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:05:24,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:05:24,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:24,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 205 states and 311 transitions. [2023-11-19 03:05:24,951 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 311 transitions. [2023-11-19 03:05:24,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:05:24,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:24,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:25,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:05:25,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:25,451 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 03:05:25,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:25,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 206 states and 311 transitions. [2023-11-19 03:05:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 311 transitions. [2023-11-19 03:05:25,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:05:25,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:25,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:25,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:05:25,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:25,863 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 03:05:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:25,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 205 states and 306 transitions. [2023-11-19 03:05:25,871 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 306 transitions. [2023-11-19 03:05:25,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:05:25,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:25,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:26,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:05:26,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:26,349 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 03:05:26,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:26,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 205 states and 302 transitions. [2023-11-19 03:05:26,369 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 302 transitions. [2023-11-19 03:05:26,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:05:26,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:26,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:26,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:05:26,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:26,778 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 03:05:26,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:26,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 205 states and 300 transitions. [2023-11-19 03:05:26,788 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 300 transitions. [2023-11-19 03:05:26,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 03:05:26,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:26,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:27,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:05:27,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:27,206 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 03:05:28,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:28,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 205 states and 298 transitions. [2023-11-19 03:05:28,264 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 298 transitions. [2023-11-19 03:05:28,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 03:05:28,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:28,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:28,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:28,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:28,933 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 03:05:33,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:05:43,760 WARN L539 Checker$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 03:05:53,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:06:03,774 WARN L539 Checker$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 03:06:13,782 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 []