./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.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_bc561e17-7d6d-49be-8efa-492cfd1796c6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc561e17-7d6d-49be-8efa-492cfd1796c6/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_bc561e17-7d6d-49be-8efa-492cfd1796c6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc561e17-7d6d-49be-8efa-492cfd1796c6/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc561e17-7d6d-49be-8efa-492cfd1796c6/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_bc561e17-7d6d-49be-8efa-492cfd1796c6/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 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:10,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:10,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc561e17-7d6d-49be-8efa-492cfd1796c6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:19:10,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:10,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:10,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:10,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:10,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:10,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:10,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:10,265 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:10,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:10,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:10,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:10,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:10,268 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:19:10,269 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:19:10,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:10,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:10,270 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:10,271 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:10,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:10,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:10,272 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:10,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:10,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:10,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:10,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:10,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:10,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:10,276 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:10,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:10,277 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_bc561e17-7d6d-49be-8efa-492cfd1796c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc561e17-7d6d-49be-8efa-492cfd1796c6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea [2023-11-24 22:19:10,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:10,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:10,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:10,563 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:10,564 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:10,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc561e17-7d6d-49be-8efa-492cfd1796c6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2023-11-24 22:19:13,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:14,043 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:14,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc561e17-7d6d-49be-8efa-492cfd1796c6/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2023-11-24 22:19:14,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc561e17-7d6d-49be-8efa-492cfd1796c6/bin/ukojak-verify-afCqCEvfdi/data/758aa399c/664462dc81ee4a54ae5ad95a80843a13/FLAGa597c2c29 [2023-11-24 22:19:14,095 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc561e17-7d6d-49be-8efa-492cfd1796c6/bin/ukojak-verify-afCqCEvfdi/data/758aa399c/664462dc81ee4a54ae5ad95a80843a13 [2023-11-24 22:19:14,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:14,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:14,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:14,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:14,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:14,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40dd42b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14, skipping insertion in model container [2023-11-24 22:19:14,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:14,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:14,953 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:15,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:15,195 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:15,203 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:15,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15 WrapperNode [2023-11-24 22:19:15,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:15,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:15,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:15,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:15,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,419 INFO L138 Inliner]: procedures = 177, calls = 489, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 2271 [2023-11-24 22:19:15,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:15,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:15,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:15,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:15,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:15,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:15,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:15,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:15,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:15,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc561e17-7d6d-49be-8efa-492cfd1796c6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:15,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc561e17-7d6d-49be-8efa-492cfd1796c6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:15,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc561e17-7d6d-49be-8efa-492cfd1796c6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:19:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:19:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:19:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:19:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:19:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:19:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:15,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:16,206 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:16,213 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:18,846 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:21,342 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:21,343 INFO L309 CfgBuilder]: Removed 100 assume(true) statements. [2023-11-24 22:19:21,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:21 BoogieIcfgContainer [2023-11-24 22:19:21,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:21,346 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:21,346 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:21,356 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:21,356 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:21,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 204 states and 347 transitions. [2023-11-24 22:19:21,430 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 347 transitions. [2023-11-24 22:19:21,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:19:21,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:21,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:21,646 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 22:19:21,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 205 states and 349 transitions. [2023-11-24 22:19:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 349 transitions. [2023-11-24 22:19:21,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:19:21,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:21,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:21,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:21,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:21,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 205 states and 345 transitions. [2023-11-24 22:19:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 345 transitions. [2023-11-24 22:19:21,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:19:21,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:21,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:22,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:22,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:22,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:22,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 205 states and 337 transitions. [2023-11-24 22:19:22,083 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 337 transitions. [2023-11-24 22:19:22,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:19:22,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:22,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:22,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:22,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:22,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:22,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:22,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 205 states and 325 transitions. [2023-11-24 22:19:22,307 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 325 transitions. [2023-11-24 22:19:22,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:19:22,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:22,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:22,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:22,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:32,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:19:42,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:19:42,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:42,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 205 states and 311 transitions. [2023-11-24 22:19:42,875 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 311 transitions. [2023-11-24 22:19:42,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:19:42,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:42,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:43,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:19:43,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:43,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:19:43,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:43,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 206 states and 311 transitions. [2023-11-24 22:19:43,513 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 311 transitions. [2023-11-24 22:19:43,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:19:43,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:43,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:43,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:43,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:19:44,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:44,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 205 states and 306 transitions. [2023-11-24 22:19:44,023 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 306 transitions. [2023-11-24 22:19:44,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:19:44,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:44,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:44,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:44,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:19:44,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:44,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 205 states and 302 transitions. [2023-11-24 22:19:44,551 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 302 transitions. [2023-11-24 22:19:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:19:44,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:44,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:44,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:44,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:44,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:19:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:45,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 205 states and 300 transitions. [2023-11-24 22:19:45,002 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 300 transitions. [2023-11-24 22:19:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 22:19:45,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:45,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:45,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:45,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:45,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:19:55,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:19:55,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:55,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 205 states and 298 transitions. [2023-11-24 22:19:55,544 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 298 transitions. [2023-11-24 22:19:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-24 22:19:55,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:55,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:56,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:19:56,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:56,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:20:06,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []