./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff 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_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/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_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/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_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/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 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:12:46,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:12:46,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:12:46,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:12:46,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:12:46,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:12:46,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:12:46,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:12:46,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:12:46,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:12:46,345 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:12:46,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:12:46,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:12:46,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:12:46,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:12:46,349 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:12:46,349 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:12:46,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:12:46,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:12:46,350 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:12:46,350 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:12:46,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:12:46,351 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:12:46,352 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:12:46,352 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:12:46,353 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:12:46,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:12:46,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:46,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:12:46,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:12:46,356 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:12:46,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:12:46,356 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_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 [2023-11-19 03:12:46,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:12:46,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:12:46,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:12:46,706 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:12:46,707 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:12:46,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2023-11-19 03:12:49,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:12:50,065 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:12:50,066 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2023-11-19 03:12:50,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/bin/ukojak-verify-G8NBE6pJGL/data/b45b91b6b/8810098f152048a09cf0d7a93bb73593/FLAGb3b370742 [2023-11-19 03:12:50,116 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/bin/ukojak-verify-G8NBE6pJGL/data/b45b91b6b/8810098f152048a09cf0d7a93bb73593 [2023-11-19 03:12:50,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:12:50,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:12:50,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:50,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:12:50,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:12:50,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:50" (1/1) ... [2023-11-19 03:12:50,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6becec37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:50, skipping insertion in model container [2023-11-19 03:12:50,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:50" (1/1) ... [2023-11-19 03:12:50,215 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:12:50,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:12:50,706 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:12:50,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:12:50,844 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:12:50,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:50 WrapperNode [2023-11-19 03:12:50,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:50,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:12:50,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:12:50,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:12:50,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:50" (1/1) ... [2023-11-19 03:12:50,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:50" (1/1) ... [2023-11-19 03:12:50,970 INFO L138 Inliner]: procedures = 177, calls = 187, calls flagged for inlining = 17, calls inlined = 26, statements flattened = 865 [2023-11-19 03:12:50,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:12:50,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:12:50,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:12:50,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:12:50,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:50" (1/1) ... [2023-11-19 03:12:50,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:50" (1/1) ... [2023-11-19 03:12:50,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:50" (1/1) ... [2023-11-19 03:12:50,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:50" (1/1) ... [2023-11-19 03:12:51,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:50" (1/1) ... [2023-11-19 03:12:51,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:50" (1/1) ... [2023-11-19 03:12:51,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:50" (1/1) ... [2023-11-19 03:12:51,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:50" (1/1) ... [2023-11-19 03:12:51,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:12:51,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:12:51,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:12:51,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:12:51,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:50" (1/1) ... [2023-11-19 03:12:51,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:51,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:12:51,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:12:51,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c871d547-7fdb-4b35-b85a-89ab89f0f1ae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:12:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:12:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:12:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:12:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:12:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:12:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:12:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:12:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:12:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:12:51,435 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:12:51,438 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:12:52,732 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:12:53,815 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:12:53,815 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-19 03:12:53,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:53 BoogieIcfgContainer [2023-11-19 03:12:53,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:12:53,822 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:12:53,823 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:12:53,832 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:12:53,833 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:53" (1/1) ... [2023-11-19 03:12:53,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:12:53,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 125 states and 194 transitions. [2023-11-19 03:12:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 194 transitions. [2023-11-19 03:12:53,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:12:53,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:53,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:54,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:12:54,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:54,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 126 states and 196 transitions. [2023-11-19 03:12:54,204 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 196 transitions. [2023-11-19 03:12:54,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:12:54,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:54,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:54,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:12:54,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:54,301 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 03:12:54,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:54,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 126 states and 194 transitions. [2023-11-19 03:12:54,313 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 194 transitions. [2023-11-19 03:12:54,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:12:54,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:54,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:54,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:12:54,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:54,385 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 03:12:54,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:54,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 126 states and 190 transitions. [2023-11-19 03:12:54,397 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 190 transitions. [2023-11-19 03:12:54,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:12:54,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:54,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:54,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:12:54,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:54,502 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 03:12:54,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 126 states and 184 transitions. [2023-11-19 03:12:54,516 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 184 transitions. [2023-11-19 03:12:54,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:12:54,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:54,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:54,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:12:54,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:54,679 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 03:13:04,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:13:04,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 126 states and 178 transitions. [2023-11-19 03:13:04,792 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 178 transitions. [2023-11-19 03:13:04,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:13:04,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:04,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:05,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:13:05,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:15,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:13:25,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:13:35,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:13:35,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:35,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 145 states and 200 transitions. [2023-11-19 03:13:35,418 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 200 transitions. [2023-11-19 03:13:35,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:13:35,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:35,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:35,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:13:35,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:35,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:45,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:13:45,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:45,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 145 states and 198 transitions. [2023-11-19 03:13:45,733 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 198 transitions. [2023-11-19 03:13:45,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:13:45,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:45,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:45,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:13:45,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:46,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:13:56,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []