./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc 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_5bd525ec-57ec-4e3b-84b6-50c89f940836/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd525ec-57ec-4e3b-84b6-50c89f940836/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_5bd525ec-57ec-4e3b-84b6-50c89f940836/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd525ec-57ec-4e3b-84b6-50c89f940836/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd525ec-57ec-4e3b-84b6-50c89f940836/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_5bd525ec-57ec-4e3b-84b6-50c89f940836/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 a74358cfc3b57ddf641c2843362a5594690e287c76148ee1838c9104dbe09de1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:00,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:00,966 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd525ec-57ec-4e3b-84b6-50c89f940836/bin/ukojak-verify-afCqCEvfdi/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-24 22:16:00,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:00,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:00,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:00,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:00,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:00,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:00,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:01,000 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:01,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:01,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:01,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:01,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:01,004 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:16:01,004 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:16:01,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:01,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:01,006 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:01,007 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:01,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:01,009 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:01,009 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:01,010 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:01,010 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:01,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:01,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:01,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:01,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:01,014 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:01,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:01,015 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_5bd525ec-57ec-4e3b-84b6-50c89f940836/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd525ec-57ec-4e3b-84b6-50c89f940836/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a74358cfc3b57ddf641c2843362a5594690e287c76148ee1838c9104dbe09de1 [2023-11-24 22:16:01,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:01,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:01,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:01,362 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:01,363 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:01,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd525ec-57ec-4e3b-84b6-50c89f940836/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i [2023-11-24 22:16:04,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:04,769 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:04,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd525ec-57ec-4e3b-84b6-50c89f940836/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-1.i [2023-11-24 22:16:04,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd525ec-57ec-4e3b-84b6-50c89f940836/bin/ukojak-verify-afCqCEvfdi/data/a36ab388d/8ef77dfc2ae245f58a16be24a4f744a4/FLAG91cf2184a [2023-11-24 22:16:04,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd525ec-57ec-4e3b-84b6-50c89f940836/bin/ukojak-verify-afCqCEvfdi/data/a36ab388d/8ef77dfc2ae245f58a16be24a4f744a4 [2023-11-24 22:16:04,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:04,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:04,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:04,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:04,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:04,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:04" (1/1) ... [2023-11-24 22:16:04,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3d7e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:04, skipping insertion in model container [2023-11-24 22:16:04,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:04" (1/1) ... [2023-11-24 22:16:04,912 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:05,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:05,462 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:05,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:05,597 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:05,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:05 WrapperNode [2023-11-24 22:16:05,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:05,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:05,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:05,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:05,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:05" (1/1) ... [2023-11-24 22:16:05,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:05" (1/1) ... [2023-11-24 22:16:05,700 INFO L138 Inliner]: procedures = 177, calls = 187, calls flagged for inlining = 17, calls inlined = 26, statements flattened = 865 [2023-11-24 22:16:05,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:05,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:05,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:05,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:05,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:05" (1/1) ... [2023-11-24 22:16:05,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:05" (1/1) ... [2023-11-24 22:16:05,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:05" (1/1) ... [2023-11-24 22:16:05,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:05" (1/1) ... [2023-11-24 22:16:05,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:05" (1/1) ... [2023-11-24 22:16:05,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:05" (1/1) ... [2023-11-24 22:16:05,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:05" (1/1) ... [2023-11-24 22:16:05,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:05" (1/1) ... [2023-11-24 22:16:05,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:05,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:05,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:05,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:05,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:05" (1/1) ... [2023-11-24 22:16:05,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:05,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd525ec-57ec-4e3b-84b6-50c89f940836/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:05,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd525ec-57ec-4e3b-84b6-50c89f940836/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:05,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd525ec-57ec-4e3b-84b6-50c89f940836/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:16:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:16:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:16:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:16:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:16:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:05,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:06,227 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:06,230 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:07,524 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:08,471 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:08,471 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-24 22:16:08,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:08 BoogieIcfgContainer [2023-11-24 22:16:08,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:08,475 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:08,475 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:08,486 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:08,487 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:08" (1/1) ... [2023-11-24 22:16:08,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:08,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 125 states and 194 transitions. [2023-11-24 22:16:08,579 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 194 transitions. [2023-11-24 22:16:08,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:16:08,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:08,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:08,776 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 22:16:08,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:08,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 126 states and 196 transitions. [2023-11-24 22:16:08,815 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 196 transitions. [2023-11-24 22:16:08,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:16:08,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:08,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:08,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:16:08,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:08,916 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 22:16:08,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 126 states and 194 transitions. [2023-11-24 22:16:08,931 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 194 transitions. [2023-11-24 22:16:08,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:16:08,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:08,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:08,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:16:08,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:08,990 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 22:16:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:08,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 126 states and 190 transitions. [2023-11-24 22:16:08,996 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 190 transitions. [2023-11-24 22:16:08,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:08,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:08,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:09,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:16:09,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:09,085 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 22:16:09,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 126 states and 184 transitions. [2023-11-24 22:16:09,093 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 184 transitions. [2023-11-24 22:16:09,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:16:09,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:09,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:09,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:16:09,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:09,299 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 22:16:19,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:16:19,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 126 states and 178 transitions. [2023-11-24 22:16:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 178 transitions. [2023-11-24 22:16:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:19,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:19,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:19,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:19,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:19,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:29,809 WARN L539 Checker$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 22:16:39,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:16:49,875 WARN L539 Checker$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 22:16:59,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:17:00,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 153 states and 211 transitions. [2023-11-24 22:17:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 211 transitions. [2023-11-24 22:17:00,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:17:00,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:00,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:00,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:00,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:00,451 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 22:17:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 153 states and 209 transitions. [2023-11-24 22:17:00,462 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 209 transitions. [2023-11-24 22:17:00,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:17:00,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:00,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:00,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:00,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:00,765 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 22:17:00,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 153 states and 207 transitions. [2023-11-24 22:17:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 207 transitions. [2023-11-24 22:17:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:17:00,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:00,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:01,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:01,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:01,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:11,042 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 22:17:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 153 states and 205 transitions. [2023-11-24 22:17:11,132 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 205 transitions. [2023-11-24 22:17:11,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:17:11,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:11,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:11,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:11,364 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 22:17:11,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 153 states and 203 transitions. [2023-11-24 22:17:11,497 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 203 transitions. [2023-11-24 22:17:11,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:17:11,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:11,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:17:11,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.