./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.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_69151c06-d8c1-4dd3-9ead-39468037fa41/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69151c06-d8c1-4dd3-9ead-39468037fa41/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_69151c06-d8c1-4dd3-9ead-39468037fa41/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69151c06-d8c1-4dd3-9ead-39468037fa41/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69151c06-d8c1-4dd3-9ead-39468037fa41/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_69151c06-d8c1-4dd3-9ead-39468037fa41/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 df25530cebe2f8dbf5c0f407e5ccf4cecba61e3d44431cb17b70a57441db534c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:15,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:15,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69151c06-d8c1-4dd3-9ead-39468037fa41/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:19:15,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:15,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:15,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:15,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:15,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:15,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:15,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:15,751 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:15,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:15,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:15,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:15,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:15,755 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:19:15,755 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:19:15,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:15,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:15,757 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:15,757 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:15,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:15,758 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:15,759 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:15,759 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:15,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:15,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:15,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:15,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:15,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:15,763 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:15,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:15,764 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_69151c06-d8c1-4dd3-9ead-39468037fa41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69151c06-d8c1-4dd3-9ead-39468037fa41/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df25530cebe2f8dbf5c0f407e5ccf4cecba61e3d44431cb17b70a57441db534c [2023-11-24 22:19:16,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:16,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:16,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:16,151 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:16,152 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:16,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69151c06-d8c1-4dd3-9ead-39468037fa41/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i [2023-11-24 22:19:19,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:19,680 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:19,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69151c06-d8c1-4dd3-9ead-39468037fa41/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i [2023-11-24 22:19:19,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69151c06-d8c1-4dd3-9ead-39468037fa41/bin/ukojak-verify-afCqCEvfdi/data/755d538a0/b6e6de7f242547f78bba2fda4d6311f1/FLAGb3a722495 [2023-11-24 22:19:19,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69151c06-d8c1-4dd3-9ead-39468037fa41/bin/ukojak-verify-afCqCEvfdi/data/755d538a0/b6e6de7f242547f78bba2fda4d6311f1 [2023-11-24 22:19:19,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:19,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:19,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:19,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:19,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:19,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:19" (1/1) ... [2023-11-24 22:19:19,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288ad557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:19, skipping insertion in model container [2023-11-24 22:19:19,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:19" (1/1) ... [2023-11-24 22:19:19,857 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:20,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:20,597 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:20,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:20,892 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:19:20,898 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:20,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20 WrapperNode [2023-11-24 22:19:20,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:20,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:20,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:20,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:20,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:21,099 INFO L138 Inliner]: procedures = 177, calls = 390, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 1958 [2023-11-24 22:19:21,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:21,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:21,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:21,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:21,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:21,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:21,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:21,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:21,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:21,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:21,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:21,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:21,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:21,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:21,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:21,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:21,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:21,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:21,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69151c06-d8c1-4dd3-9ead-39468037fa41/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:21,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69151c06-d8c1-4dd3-9ead-39468037fa41/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:21,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69151c06-d8c1-4dd3-9ead-39468037fa41/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:19:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:19:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:19:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:19:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:19:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:19:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:21,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:21,600 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:21,603 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:24,538 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:26,745 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:26,745 INFO L309 CfgBuilder]: Removed 83 assume(true) statements. [2023-11-24 22:19:26,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:26 BoogieIcfgContainer [2023-11-24 22:19:26,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:26,749 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:26,749 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:26,759 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:26,760 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:26" (1/1) ... [2023-11-24 22:19:26,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:26,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:26,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 176 states and 298 transitions. [2023-11-24 22:19:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 298 transitions. [2023-11-24 22:19:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:19:26,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:26,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:27,120 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 22:19:27,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:27,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 177 states and 300 transitions. [2023-11-24 22:19:27,159 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 300 transitions. [2023-11-24 22:19:27,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:19:27,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:27,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:27,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:27,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:27,328 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 22:19:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:27,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 177 states and 296 transitions. [2023-11-24 22:19:27,344 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 296 transitions. [2023-11-24 22:19:27,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:19:27,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:27,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:27,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:27,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:27,477 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 22:19:27,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:27,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 177 states and 288 transitions. [2023-11-24 22:19:27,494 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 288 transitions. [2023-11-24 22:19:27,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:19:27,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:27,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:27,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:27,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:27,682 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 22:19:27,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:27,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 177 states and 276 transitions. [2023-11-24 22:19:27,701 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 276 transitions. [2023-11-24 22:19:27,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:19:27,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:27,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:27,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:27,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:27,981 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 22:19:38,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:19:48,255 WARN L539 Checker$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 22:19:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 177 states and 262 transitions. [2023-11-24 22:19:48,330 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 262 transitions. [2023-11-24 22:19:48,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:19:48,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:48,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:48,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:19:48,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:48,805 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 22:19:48,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:48,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 178 states and 262 transitions. [2023-11-24 22:19:48,835 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 262 transitions. [2023-11-24 22:19:48,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:19:48,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:48,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:49,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:49,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:49,273 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 22:19:49,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:49,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 177 states and 257 transitions. [2023-11-24 22:19:49,282 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 257 transitions. [2023-11-24 22:19:49,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:19:49,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:49,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:49,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:49,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:49,748 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 22:19:49,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:49,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 177 states and 253 transitions. [2023-11-24 22:19:49,763 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 253 transitions. [2023-11-24 22:19:49,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:19:49,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:49,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:50,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:50,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:50,199 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 22:19:50,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 177 states and 251 transitions. [2023-11-24 22:19:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 251 transitions. [2023-11-24 22:19:50,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 22:19:50,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:50,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:50,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:50,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:50,670 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 22:20:00,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:20:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:00,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 177 states and 249 transitions. [2023-11-24 22:20:00,741 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 249 transitions. [2023-11-24 22:20:00,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-24 22:20:00,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:00,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:01,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:20:01,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:20:01,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:20:11,424 WARN L539 Checker$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 22:20:21,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []