./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc 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_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi --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 d11f955236406002afd026860cf5cae6834e26918579de44c447a4ac30cb678d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:37,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:37,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:53:37,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:37,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:37,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:37,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:37,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:37,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:37,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:37,683 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:37,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:37,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:37,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:37,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:37,686 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:53:37,687 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:53:37,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:37,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:37,689 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:53:37,689 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:37,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:37,690 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:37,691 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:37,692 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:37,692 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:37,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:37,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:37,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:37,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:37,695 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:37,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:37,696 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_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f955236406002afd026860cf5cae6834e26918579de44c447a4ac30cb678d [2023-11-24 22:53:37,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:38,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:38,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:38,021 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:38,022 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:38,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i [2023-11-24 22:53:41,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:41,555 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:41,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75de05ed-8a9b-473b-aead-038f548f1e1d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i [2023-11-24 22:53:41,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi/data/c9af5554a/b77a8362d2ff492d9e455e53b977aba7/FLAG9c08edd5e [2023-11-24 22:53:41,620 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi/data/c9af5554a/b77a8362d2ff492d9e455e53b977aba7 [2023-11-24 22:53:41,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:41,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:41,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:41,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:41,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:41,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:41" (1/1) ... [2023-11-24 22:53:41,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebda4a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:41, skipping insertion in model container [2023-11-24 22:53:41,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:41" (1/1) ... [2023-11-24 22:53:41,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:42,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:42,452 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:42,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:42,696 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:42,704 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:42,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:42 WrapperNode [2023-11-24 22:53:42,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:42,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:42,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:42,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:42,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:42" (1/1) ... [2023-11-24 22:53:42,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:42" (1/1) ... [2023-11-24 22:53:42,969 INFO L138 Inliner]: procedures = 177, calls = 338, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 1572 [2023-11-24 22:53:42,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:42,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:42,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:42,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:42,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:42" (1/1) ... [2023-11-24 22:53:42,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:42" (1/1) ... [2023-11-24 22:53:43,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:42" (1/1) ... [2023-11-24 22:53:43,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:42" (1/1) ... [2023-11-24 22:53:43,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:42" (1/1) ... [2023-11-24 22:53:43,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:42" (1/1) ... [2023-11-24 22:53:43,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:42" (1/1) ... [2023-11-24 22:53:43,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:42" (1/1) ... [2023-11-24 22:53:43,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:43,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:43,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:43,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:43,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:42" (1/1) ... [2023-11-24 22:53:43,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:43,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:43,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:43,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75de05ed-8a9b-473b-aead-038f548f1e1d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:53:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:53:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:53:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:53:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:53:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:53:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:53:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:53:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:43,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:43,542 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:43,544 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:45,484 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:47,288 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:47,289 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-24 22:53:47,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:47 BoogieIcfgContainer [2023-11-24 22:53:47,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:47,293 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:47,293 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:47,304 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:47,304 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:47" (1/1) ... [2023-11-24 22:53:47,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:47,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:47,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 163 states and 271 transitions. [2023-11-24 22:53:47,406 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 271 transitions. [2023-11-24 22:53:47,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:53:47,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:47,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:47,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:47,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 163 states and 269 transitions. [2023-11-24 22:53:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 269 transitions. [2023-11-24 22:53:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:53:47,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:47,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:47,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 165 states and 272 transitions. [2023-11-24 22:53:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 272 transitions. [2023-11-24 22:53:47,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:53:47,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:47,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:48,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:48,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:48,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 165 states and 270 transitions. [2023-11-24 22:53:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 270 transitions. [2023-11-24 22:53:48,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:53:48,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:48,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:48,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:48,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:48,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:48,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:48,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 165 states and 266 transitions. [2023-11-24 22:53:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 266 transitions. [2023-11-24 22:53:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:53:48,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:48,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:48,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:48,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:48,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:48,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:48,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 165 states and 260 transitions. [2023-11-24 22:53:48,539 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 260 transitions. [2023-11-24 22:53:48,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:53:48,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:48,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:48,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:48,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:58,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:53:58,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:58,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 165 states and 254 transitions. [2023-11-24 22:53:58,886 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 254 transitions. [2023-11-24 22:53:58,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:53:58,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:58,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:59,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:53:59,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:59,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:09,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:54:19,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:54:29,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:54:39,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:54:39,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:39,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 178 states and 269 transitions. [2023-11-24 22:54:39,669 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 269 transitions. [2023-11-24 22:54:39,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:54:39,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:39,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:39,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:54:39,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:39,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:40,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 178 states and 267 transitions. [2023-11-24 22:54:40,009 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 267 transitions. [2023-11-24 22:54:40,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:54:40,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:54:40,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:40,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 178 states and 265 transitions. [2023-11-24 22:54:40,275 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 265 transitions. [2023-11-24 22:54:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:54:40,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:54:40,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:40,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.