./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.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_37946120-6f24-4f40-b37f-7de0320df89d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37946120-6f24-4f40-b37f-7de0320df89d/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_37946120-6f24-4f40-b37f-7de0320df89d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37946120-6f24-4f40-b37f-7de0320df89d/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37946120-6f24-4f40-b37f-7de0320df89d/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_37946120-6f24-4f40-b37f-7de0320df89d/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 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:20,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:20,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37946120-6f24-4f40-b37f-7de0320df89d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:19:20,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:19:20,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:19:20,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:20,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:20,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:20,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:20,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:19:20,356 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:19:20,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:19:20,357 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:19:20,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:20,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:19:20,359 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:19:20,359 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:19:20,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:20,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:19:20,361 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:19:20,361 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:19:20,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:19:20,362 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:20,363 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:20,363 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:20,364 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:20,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:20,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:20,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:20,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:20,367 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:19:20,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:19:20,368 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_37946120-6f24-4f40-b37f-7de0320df89d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37946120-6f24-4f40-b37f-7de0320df89d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd [2023-11-19 03:19:20,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:20,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:20,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:20,723 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:20,725 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:20,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37946120-6f24-4f40-b37f-7de0320df89d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2023-11-19 03:19:23,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:24,358 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:24,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37946120-6f24-4f40-b37f-7de0320df89d/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2023-11-19 03:19:24,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37946120-6f24-4f40-b37f-7de0320df89d/bin/ukojak-verify-G8NBE6pJGL/data/126db297a/374a1300a29f4bc28d752905d7e81295/FLAGa95be68de [2023-11-19 03:19:24,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37946120-6f24-4f40-b37f-7de0320df89d/bin/ukojak-verify-G8NBE6pJGL/data/126db297a/374a1300a29f4bc28d752905d7e81295 [2023-11-19 03:19:24,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:24,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:24,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:24,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:24,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:24,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:24" (1/1) ... [2023-11-19 03:19:24,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2dd579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:24, skipping insertion in model container [2023-11-19 03:19:24,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:24" (1/1) ... [2023-11-19 03:19:24,572 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:19:25,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:25,558 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:19:25,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:25,797 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:19:25,805 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:19:25,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25 WrapperNode [2023-11-19 03:19:25,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:25,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:25,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:19:25,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:19:25,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:25,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,127 INFO L138 Inliner]: procedures = 177, calls = 783, calls flagged for inlining = 508, calls inlined = 1007, statements flattened = 6370 [2023-11-19 03:19:26,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:26,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:19:26,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:19:26,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:19:26,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:19:26,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:19:26,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:19:26,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:19:26,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:26,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:26,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37946120-6f24-4f40-b37f-7de0320df89d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:19:26,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37946120-6f24-4f40-b37f-7de0320df89d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:19:26,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37946120-6f24-4f40-b37f-7de0320df89d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:19:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:19:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:19:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:19:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:19:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:19:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:19:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:19:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:19:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:19:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:19:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:19:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:19:27,027 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:19:27,033 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:19:31,995 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:19:35,527 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:19:35,527 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 03:19:35,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:35 BoogieIcfgContainer [2023-11-19 03:19:35,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:19:35,556 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:19:35,556 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:19:35,569 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:19:35,570 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:35" (1/1) ... [2023-11-19 03:19:35,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:19:35,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:35,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5195 states to 3613 states and 5195 transitions. [2023-11-19 03:19:35,735 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5195 transitions. [2023-11-19 03:19:35,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:19:35,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:35,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:36,010 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 03:19:36,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:36,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 3613 states and 5193 transitions. [2023-11-19 03:19:36,065 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5193 transitions. [2023-11-19 03:19:36,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:19:36,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:36,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:36,230 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 03:19:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5196 states to 3615 states and 5196 transitions. [2023-11-19 03:19:36,294 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5196 transitions. [2023-11-19 03:19:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:19:36,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:36,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:36,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:36,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:36,526 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 03:19:36,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:36,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 3615 states and 5194 transitions. [2023-11-19 03:19:36,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5194 transitions. [2023-11-19 03:19:36,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:19:36,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:36,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:36,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:36,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:36,662 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 03:19:36,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:36,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 3615 states and 5190 transitions. [2023-11-19 03:19:36,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5190 transitions. [2023-11-19 03:19:36,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:19:36,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:36,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:36,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:36,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:36,816 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 03:19:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 3615 states and 5184 transitions. [2023-11-19 03:19:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5184 transitions. [2023-11-19 03:19:36,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:19:36,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:36,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:37,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:37,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:37,037 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 03:19:47,060 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 03:19:47,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:47,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5178 states to 3615 states and 5178 transitions. [2023-11-19 03:19:47,128 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5178 transitions. [2023-11-19 03:19:47,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:19:47,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:47,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:47,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:19:47,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:47,541 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 03:19:48,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:48,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 3628 states and 5193 transitions. [2023-11-19 03:19:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5193 transitions. [2023-11-19 03:19:48,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:19:48,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:48,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:48,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:48,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:48,443 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 03:19:48,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5191 states to 3628 states and 5191 transitions. [2023-11-19 03:19:48,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5191 transitions. [2023-11-19 03:19:48,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:19:48,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:48,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:48,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:48,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:48,753 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 03:19:48,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:48,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 3628 states and 5189 transitions. [2023-11-19 03:19:48,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5189 transitions. [2023-11-19 03:19:48,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:19:48,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:48,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:49,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:49,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:49,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:59,096 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 03:19:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:59,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5187 states to 3628 states and 5187 transitions. [2023-11-19 03:19:59,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5187 transitions. [2023-11-19 03:19:59,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:19:59,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:59,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:59,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:19:59,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:20:09,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:20:19,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []