./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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_0c22c1a1-e654-46a3-abbc-9ce7a220feae/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c22c1a1-e654-46a3-abbc-9ce7a220feae/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_0c22c1a1-e654-46a3-abbc-9ce7a220feae/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c22c1a1-e654-46a3-abbc-9ce7a220feae/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c22c1a1-e654-46a3-abbc-9ce7a220feae/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_0c22c1a1-e654-46a3-abbc-9ce7a220feae/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 1a17e1f9edfd37607fb472869452b377d4af1281c9808dec0371b4f943952037 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:42,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:42,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c22c1a1-e654-46a3-abbc-9ce7a220feae/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:10:42,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:42,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:42,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:42,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:42,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:42,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:42,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:42,818 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:42,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:42,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:42,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:42,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:42,821 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:10:42,822 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:10:42,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:42,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:42,823 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:10:42,824 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:42,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:42,825 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:42,825 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:42,826 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:42,826 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:42,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:42,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:42,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:42,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:42,829 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:42,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:42,830 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_0c22c1a1-e654-46a3-abbc-9ce7a220feae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c22c1a1-e654-46a3-abbc-9ce7a220feae/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a17e1f9edfd37607fb472869452b377d4af1281c9808dec0371b4f943952037 [2023-11-24 22:10:43,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:43,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:43,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:43,141 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:43,142 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:43,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c22c1a1-e654-46a3-abbc-9ce7a220feae/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i [2023-11-24 22:10:46,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:46,611 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:46,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c22c1a1-e654-46a3-abbc-9ce7a220feae/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i [2023-11-24 22:10:46,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c22c1a1-e654-46a3-abbc-9ce7a220feae/bin/ukojak-verify-afCqCEvfdi/data/fa26efcc2/790a2f1d9506450c8a5984163a6f7286/FLAG47aae6e49 [2023-11-24 22:10:46,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c22c1a1-e654-46a3-abbc-9ce7a220feae/bin/ukojak-verify-afCqCEvfdi/data/fa26efcc2/790a2f1d9506450c8a5984163a6f7286 [2023-11-24 22:10:46,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:46,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:46,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:46,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:46,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:46,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:46" (1/1) ... [2023-11-24 22:10:46,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ef69c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:46, skipping insertion in model container [2023-11-24 22:10:46,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:46" (1/1) ... [2023-11-24 22:10:46,776 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:47,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:47,542 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:47,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:47,697 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:47,707 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:47,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47 WrapperNode [2023-11-24 22:10:47,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:47,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:47,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:47,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:47,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,876 INFO L138 Inliner]: procedures = 177, calls = 390, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 1958 [2023-11-24 22:10:47,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:47,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:47,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:47,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:47,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:48,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:48,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:48,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:48,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:48,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:48,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:48,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:48,178 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:48,179 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:48,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:48,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c22c1a1-e654-46a3-abbc-9ce7a220feae/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:48,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c22c1a1-e654-46a3-abbc-9ce7a220feae/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:48,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c22c1a1-e654-46a3-abbc-9ce7a220feae/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:48,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:10:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:10:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:10:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:10:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:10:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:10:48,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:10:48,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:10:48,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:48,551 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:48,554 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:51,369 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:53,844 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:53,844 INFO L309 CfgBuilder]: Removed 83 assume(true) statements. [2023-11-24 22:10:53,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:53 BoogieIcfgContainer [2023-11-24 22:10:53,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:53,847 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:53,848 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:53,858 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:53,858 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:53" (1/1) ... [2023-11-24 22:10:53,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:53,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:53,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 176 states and 298 transitions. [2023-11-24 22:10:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 298 transitions. [2023-11-24 22:10:53,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:10:53,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:53,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:54,291 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 22:10:54,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:54,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 177 states and 300 transitions. [2023-11-24 22:10:54,344 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 300 transitions. [2023-11-24 22:10:54,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:10:54,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:54,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:54,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:10:54,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:54,510 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 22:10:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:54,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 177 states and 296 transitions. [2023-11-24 22:10:54,522 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 296 transitions. [2023-11-24 22:10:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:10:54,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:54,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:54,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:10:54,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:54,659 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 22:10:54,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:54,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 177 states and 288 transitions. [2023-11-24 22:10:54,668 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 288 transitions. [2023-11-24 22:10:54,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:10:54,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:54,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:54,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:10:54,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:54,833 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 22:10:54,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:54,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 177 states and 276 transitions. [2023-11-24 22:10:54,852 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 276 transitions. [2023-11-24 22:10:54,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:10:54,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:54,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:55,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:10:55,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:55,129 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 22:11:05,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:11:15,334 WARN L539 Checker$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 22:11:15,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:15,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 177 states and 262 transitions. [2023-11-24 22:11:15,454 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 262 transitions. [2023-11-24 22:11:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:11:15,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:15,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:16,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:16,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:16,052 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 22:11:16,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:16,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 178 states and 262 transitions. [2023-11-24 22:11:16,088 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 262 transitions. [2023-11-24 22:11:16,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:11:16,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:16,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:16,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:16,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:16,544 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 22:11:16,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 177 states and 257 transitions. [2023-11-24 22:11:16,552 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 257 transitions. [2023-11-24 22:11:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:11:16,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:16,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:17,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:17,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:17,137 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 22:11:17,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:17,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 177 states and 253 transitions. [2023-11-24 22:11:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 253 transitions. [2023-11-24 22:11:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:11:17,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:17,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:17,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:17,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:17,603 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 22:11:17,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 177 states and 251 transitions. [2023-11-24 22:11:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 251 transitions. [2023-11-24 22:11:17,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 22:11:17,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:17,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:18,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:11:18,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:18,161 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 22:11:28,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:11:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:28,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 177 states and 249 transitions. [2023-11-24 22:11:28,250 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 249 transitions. [2023-11-24 22:11:28,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-24 22:11:28,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:28,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:28,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:11:28,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:28,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:38,965 WARN L539 Checker$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 22:11:48,993 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 []