./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9bf0bad0cbe69b5d3c479fc9571d5ea3a755c149f856a4942bf9e49854dfec3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:32:36,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:32:36,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:32:36,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:32:36,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:32:36,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:32:36,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:32:36,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:32:36,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:32:36,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:32:36,846 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:32:36,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:32:36,847 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:32:36,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:32:36,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:32:36,848 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:32:36,849 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:32:36,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:32:36,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:32:36,850 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:32:36,851 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:32:36,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:32:36,852 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:32:36,852 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:32:36,853 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:32:36,853 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:32:36,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:32:36,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:36,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:32:36,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:32:36,855 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:32:36,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:32:36,856 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_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9bf0bad0cbe69b5d3c479fc9571d5ea3a755c149f856a4942bf9e49854dfec3 [2023-11-19 02:32:37,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:32:37,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:32:37,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:32:37,203 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:32:37,204 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:32:37,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i [2023-11-19 02:32:40,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:32:40,750 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:32:40,751 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-1.i [2023-11-19 02:32:40,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL/data/6441d4f49/3233574a7c4b481dbed539c07c9d6ef2/FLAGe2dcb4cd2 [2023-11-19 02:32:40,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL/data/6441d4f49/3233574a7c4b481dbed539c07c9d6ef2 [2023-11-19 02:32:40,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:32:40,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:32:40,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:40,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:32:40,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:32:40,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:40" (1/1) ... [2023-11-19 02:32:40,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149b7b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:40, skipping insertion in model container [2023-11-19 02:32:40,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:40" (1/1) ... [2023-11-19 02:32:40,913 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:32:41,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:41,525 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:32:41,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:41,726 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:32:41,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41 WrapperNode [2023-11-19 02:32:41,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:41,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:41,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:32:41,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:32:41,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,896 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 20, calls inlined = 29, statements flattened = 1582 [2023-11-19 02:32:41,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:41,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:32:41,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:32:41,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:32:41,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:42,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:42,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:42,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:42,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:32:42,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:32:42,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:32:42,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:32:42,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:42,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:42,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:32:42,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:32:42,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096a9514-4d2c-42c9-ab6a-d2ba9c797657/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:32:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:32:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:32:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:32:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:32:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:32:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:32:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:32:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:32:42,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:32:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:32:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:32:42,487 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:32:42,490 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:32:44,338 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:32:46,224 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:32:46,225 INFO L302 CfgBuilder]: Removed 60 assume(true) statements. [2023-11-19 02:32:46,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:46 BoogieIcfgContainer [2023-11-19 02:32:46,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:32:46,233 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:32:46,233 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:32:46,243 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:32:46,244 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:46" (1/1) ... [2023-11-19 02:32:46,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:32:46,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:46,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 172 states and 279 transitions. [2023-11-19 02:32:46,330 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 279 transitions. [2023-11-19 02:32:46,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:32:46,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:46,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:46,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 173 states and 281 transitions. [2023-11-19 02:32:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 281 transitions. [2023-11-19 02:32:46,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:32:46,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:46,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:46,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:32:46,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:32:46,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:46,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 173 states and 277 transitions. [2023-11-19 02:32:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 277 transitions. [2023-11-19 02:32:46,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:32:46,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:46,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:46,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:32:46,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:32:46,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:46,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:46,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 173 states and 269 transitions. [2023-11-19 02:32:46,864 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 269 transitions. [2023-11-19 02:32:46,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:32:46,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:46,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:47,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:32:47,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:32:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:47,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:47,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 173 states and 257 transitions. [2023-11-19 02:32:47,023 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 257 transitions. [2023-11-19 02:32:47,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:32:47,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:47,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:32:47,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:32:47,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:32:47,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:32:49,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:32:59,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:32:59,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:59,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 173 states and 243 transitions. [2023-11-19 02:32:59,719 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 243 transitions. [2023-11-19 02:32:59,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:32:59,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:59,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:00,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:33:00,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:11,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:33:13,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:33:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 217 states and 296 transitions. [2023-11-19 02:33:13,393 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 296 transitions. [2023-11-19 02:33:13,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:33:13,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:13,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:13,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:33:13,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:13,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 217 states and 294 transitions. [2023-11-19 02:33:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 294 transitions. [2023-11-19 02:33:13,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:33:13,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:13,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:14,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:33:14,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:14,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:14,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:14,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 217 states and 292 transitions. [2023-11-19 02:33:14,216 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 292 transitions. [2023-11-19 02:33:14,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:33:14,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:14,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:14,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:33:14,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:14,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:24,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:33:24,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 217 states and 290 transitions. [2023-11-19 02:33:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 290 transitions. [2023-11-19 02:33:24,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:33:24,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:24,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:25,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:33:25,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:25,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:35,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:33:35,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:35,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 217 states and 288 transitions. [2023-11-19 02:33:35,198 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2023-11-19 02:33:35,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:33:35,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:35,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:35,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:33:35,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.