./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:25,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:25,825 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 03:21:25,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:21:25,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:21:25,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:25,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:25,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:25,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:25,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:25,902 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:25,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:25,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:25,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:25,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:25,905 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:21:25,905 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:21:25,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:25,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:25,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:21:25,907 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:25,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:25,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:25,910 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:25,910 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:25,912 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:25,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:25,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:25,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:25,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:25,915 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:21:25,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:21:25,915 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_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 [2023-11-19 03:21:26,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:26,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:26,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:26,287 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:26,288 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:26,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2023-11-19 03:21:29,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:29,825 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:29,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2023-11-19 03:21:29,846 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL/data/e5a7ec732/d76b3847270a4b61af08f134cf518710/FLAG5eef60353 [2023-11-19 03:21:29,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL/data/e5a7ec732/d76b3847270a4b61af08f134cf518710 [2023-11-19 03:21:29,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:29,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:29,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:29,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:29,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:29,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4960a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:29, skipping insertion in model container [2023-11-19 03:21:29,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:29" (1/1) ... [2023-11-19 03:21:29,953 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:30,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:30,542 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:30,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:30,677 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:30,685 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:30,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30 WrapperNode [2023-11-19 03:21:30,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:30,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:30,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:30,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:30,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,832 INFO L138 Inliner]: procedures = 176, calls = 280, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1350 [2023-11-19 03:21:30,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:30,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:30,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:30,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:30,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:30,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:30,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:30,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:30,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:30" (1/1) ... [2023-11-19 03:21:30,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:30,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:31,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:31,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4528ed5-6988-436a-be9c-68493217cc54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:21:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:21:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:21:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:21:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:21:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:21:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:21:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:31,330 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:31,332 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:32,964 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:34,866 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:34,867 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 03:21:34,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:34 BoogieIcfgContainer [2023-11-19 03:21:34,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:34,878 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:34,878 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:34,887 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:34,888 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:34" (1/1) ... [2023-11-19 03:21:34,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:34,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:35,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 199 transitions. [2023-11-19 03:21:35,001 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 199 transitions. [2023-11-19 03:21:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:21:35,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:35,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:35,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:35,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-11-19 03:21:35,192 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-11-19 03:21:35,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:21:35,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:35,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2023-11-19 03:21:35,458 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2023-11-19 03:21:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:21:35,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:35,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:35,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:21:35,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:35,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:35,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2023-11-19 03:21:35,578 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2023-11-19 03:21:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:21:35,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:35,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:35,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:21:35,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:35,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:35,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 118 states and 194 transitions. [2023-11-19 03:21:35,682 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 194 transitions. [2023-11-19 03:21:35,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:21:35,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:35,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:35,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:21:35,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:35,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 118 states and 188 transitions. [2023-11-19 03:21:35,800 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 188 transitions. [2023-11-19 03:21:35,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:21:35,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:35,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:35,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:21:35,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:35,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:40,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:21:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:40,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 118 states and 182 transitions. [2023-11-19 03:21:40,140 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 182 transitions. [2023-11-19 03:21:40,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:21:40,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:40,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:40,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:21:40,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:50,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:21:50,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 131 states and 197 transitions. [2023-11-19 03:21:50,587 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2023-11-19 03:21:50,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:21:50,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:50,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:50,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:21:50,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:50,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:50,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:50,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 131 states and 195 transitions. [2023-11-19 03:21:50,804 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 195 transitions. [2023-11-19 03:21:50,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:21:50,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:50,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:51,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:21:51,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:51,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:51,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 131 states and 193 transitions. [2023-11-19 03:21:51,053 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 193 transitions. [2023-11-19 03:21:51,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:21:51,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:51,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:51,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:21:51,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:51,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:01,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:22:01,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 131 states and 191 transitions. [2023-11-19 03:22:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 191 transitions. [2023-11-19 03:22:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:22:01,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:01,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:01,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:22:01,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:22:11,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:22:14,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:22:14,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 132 states and 190 transitions. [2023-11-19 03:22:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2023-11-19 03:22:14,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:22:14,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:14,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:15,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:22:15,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:15,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 03:22:15,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 03:22:15,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:22:15,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:15,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 134 states and 193 transitions. [2023-11-19 03:22:15,280 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 193 transitions. [2023-11-19 03:22:15,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:22:15,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:15,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:15,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:15,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:15,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:22:15,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:15,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 133 states and 188 transitions. [2023-11-19 03:22:15,594 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 188 transitions. [2023-11-19 03:22:15,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:22:15,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:15,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:15,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:15,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:22:15,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 133 states and 184 transitions. [2023-11-19 03:22:15,931 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 184 transitions. [2023-11-19 03:22:15,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:22:15,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:15,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:16,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:16,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:16,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:22:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:16,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 133 states and 182 transitions. [2023-11-19 03:22:16,217 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 182 transitions. [2023-11-19 03:22:16,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:22:16,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:16,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:16,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:22:16,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:22:26,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:22:26,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:26,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 133 states and 180 transitions. [2023-11-19 03:22:26,540 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 180 transitions. [2023-11-19 03:22:26,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:22:26,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:26,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:26,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:22:26,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:27,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.