./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.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_30973161-0aa2-4f51-8449-9151131207fc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30973161-0aa2-4f51-8449-9151131207fc/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_30973161-0aa2-4f51-8449-9151131207fc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30973161-0aa2-4f51-8449-9151131207fc/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30973161-0aa2-4f51-8449-9151131207fc/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_30973161-0aa2-4f51-8449-9151131207fc/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 a2f43006c9a8080eee594d7c3e874c7ea5bb3a923f26b30531e1d07ef5cff7d9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:09,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:09,352 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30973161-0aa2-4f51-8449-9151131207fc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:51:09,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:09,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:09,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:09,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:09,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:09,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:09,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:09,423 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:09,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:09,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:09,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:09,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:09,427 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:51:09,427 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:51:09,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:09,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:09,429 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:09,429 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:09,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:09,430 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:09,433 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:09,433 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:09,434 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:09,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:09,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:09,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:09,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:09,438 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:09,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:09,439 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_30973161-0aa2-4f51-8449-9151131207fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30973161-0aa2-4f51-8449-9151131207fc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2f43006c9a8080eee594d7c3e874c7ea5bb3a923f26b30531e1d07ef5cff7d9 [2023-11-24 22:51:09,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:09,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:09,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:09,750 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:09,751 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:09,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30973161-0aa2-4f51-8449-9151131207fc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i [2023-11-24 22:51:12,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:13,207 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:13,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30973161-0aa2-4f51-8449-9151131207fc/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i [2023-11-24 22:51:13,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30973161-0aa2-4f51-8449-9151131207fc/bin/ukojak-verify-afCqCEvfdi/data/13ca727b4/2e2fc7603f8847a7bce0f2e8b0b5b942/FLAGd88d2ba62 [2023-11-24 22:51:13,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30973161-0aa2-4f51-8449-9151131207fc/bin/ukojak-verify-afCqCEvfdi/data/13ca727b4/2e2fc7603f8847a7bce0f2e8b0b5b942 [2023-11-24 22:51:13,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:13,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:13,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:13,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:13,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:13,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a684ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:13, skipping insertion in model container [2023-11-24 22:51:13,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:13" (1/1) ... [2023-11-24 22:51:13,327 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:13,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:13,866 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:14,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:14,093 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:14,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:14 WrapperNode [2023-11-24 22:51:14,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:14,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:14,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:14,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:14,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:14" (1/1) ... [2023-11-24 22:51:14,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:14" (1/1) ... [2023-11-24 22:51:14,235 INFO L138 Inliner]: procedures = 177, calls = 187, calls flagged for inlining = 17, calls inlined = 26, statements flattened = 865 [2023-11-24 22:51:14,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:14,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:14,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:14,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:14,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:14" (1/1) ... [2023-11-24 22:51:14,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:14" (1/1) ... [2023-11-24 22:51:14,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:14" (1/1) ... [2023-11-24 22:51:14,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:14" (1/1) ... [2023-11-24 22:51:14,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:14" (1/1) ... [2023-11-24 22:51:14,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:14" (1/1) ... [2023-11-24 22:51:14,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:14" (1/1) ... [2023-11-24 22:51:14,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:14" (1/1) ... [2023-11-24 22:51:14,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:14,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:14,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:14,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:14,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:14" (1/1) ... [2023-11-24 22:51:14,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:14,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30973161-0aa2-4f51-8449-9151131207fc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:14,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30973161-0aa2-4f51-8449-9151131207fc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:14,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30973161-0aa2-4f51-8449-9151131207fc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:14,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:51:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:51:14,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:51:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:51:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:51:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:51:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:51:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:14,637 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:14,640 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:15,865 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:16,916 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:16,916 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-24 22:51:16,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:16 BoogieIcfgContainer [2023-11-24 22:51:16,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:16,920 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:16,920 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:16,931 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:16,931 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:16" (1/1) ... [2023-11-24 22:51:16,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:17,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 125 states and 194 transitions. [2023-11-24 22:51:17,018 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 194 transitions. [2023-11-24 22:51:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:51:17,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,267 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 22:51:17,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 126 states and 196 transitions. [2023-11-24 22:51:17,342 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 196 transitions. [2023-11-24 22:51:17,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:51:17,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:17,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:17,419 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 22:51:17,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 126 states and 194 transitions. [2023-11-24 22:51:17,427 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 194 transitions. [2023-11-24 22:51:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:51:17,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:17,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:17,536 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 22:51:17,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 126 states and 190 transitions. [2023-11-24 22:51:17,543 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 190 transitions. [2023-11-24 22:51:17,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:51:17,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:17,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:17,667 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 22:51:17,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:17,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 126 states and 184 transitions. [2023-11-24 22:51:17,712 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 184 transitions. [2023-11-24 22:51:17,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:51:17,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:17,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:17,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:51:17,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:17,881 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 22:51:27,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:51:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:27,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 126 states and 178 transitions. [2023-11-24 22:51:27,997 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 178 transitions. [2023-11-24 22:51:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:51:27,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:27,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:28,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:51:28,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:28,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:38,443 WARN L539 Checker$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 22:51:48,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:51:58,506 WARN L539 Checker$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 22:52:08,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:52:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:09,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 153 states and 211 transitions. [2023-11-24 22:52:09,059 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 211 transitions. [2023-11-24 22:52:09,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:52:09,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:09,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:09,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:52:09,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:09,328 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 22:52:09,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:09,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 153 states and 209 transitions. [2023-11-24 22:52:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 209 transitions. [2023-11-24 22:52:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:52:09,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:09,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:09,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:52:09,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:09,548 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 22:52:09,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 153 states and 207 transitions. [2023-11-24 22:52:09,565 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 207 transitions. [2023-11-24 22:52:09,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:52:09,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:09,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:09,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:52:09,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:09,811 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 22:52:19,822 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 22:52:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:19,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 153 states and 205 transitions. [2023-11-24 22:52:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 205 transitions. [2023-11-24 22:52:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:52:19,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:19,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:20,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:52:20,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:20,175 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 22:52:20,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:20,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 153 states and 203 transitions. [2023-11-24 22:52:20,268 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 203 transitions. [2023-11-24 22:52:20,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:52:20,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:20,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:20,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:52:20,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.