./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_c8f5c9f2-0b34-4da1-86b7-7697677b363c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f5c9f2-0b34-4da1-86b7-7697677b363c/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_c8f5c9f2-0b34-4da1-86b7-7697677b363c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f5c9f2-0b34-4da1-86b7-7697677b363c/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f5c9f2-0b34-4da1-86b7-7697677b363c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f5c9f2-0b34-4da1-86b7-7697677b363c/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad1cff32d745d4f106cd2272d34984c4724156cea3537acaf98384a0b708b01e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:49,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:49,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f5c9f2-0b34-4da1-86b7-7697677b363c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:04:49,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:49,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:49,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:49,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:49,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:49,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:49,613 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:04:49,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:49,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:04:49,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:49,616 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:04:49,617 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:04:49,617 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:04:49,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:49,618 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:04:49,618 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:04:49,619 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:49,619 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:49,620 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:49,622 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:49,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:49,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:49,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:49,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:49,625 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:49,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:49,626 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_c8f5c9f2-0b34-4da1-86b7-7697677b363c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f5c9f2-0b34-4da1-86b7-7697677b363c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad1cff32d745d4f106cd2272d34984c4724156cea3537acaf98384a0b708b01e [2023-11-19 04:04:49,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:49,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:49,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:49,919 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:49,920 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:49,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f5c9f2-0b34-4da1-86b7-7697677b363c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i [2023-11-19 04:04:53,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:53,485 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:53,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f5c9f2-0b34-4da1-86b7-7697677b363c/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-2.i [2023-11-19 04:04:53,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f5c9f2-0b34-4da1-86b7-7697677b363c/bin/ukojak-verify-G8NBE6pJGL/data/40723bdf2/52a78d6ccbcb45268ba78bde3cd04687/FLAG6c87e81ea [2023-11-19 04:04:53,536 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f5c9f2-0b34-4da1-86b7-7697677b363c/bin/ukojak-verify-G8NBE6pJGL/data/40723bdf2/52a78d6ccbcb45268ba78bde3cd04687 [2023-11-19 04:04:53,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:53,544 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:53,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:53,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:53,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:53,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:53" (1/1) ... [2023-11-19 04:04:53,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4c148f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:53, skipping insertion in model container [2023-11-19 04:04:53,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:53" (1/1) ... [2023-11-19 04:04:53,647 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:53,939 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:04:54,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:54,304 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:54,324 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:04:54,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:54,548 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:54,556 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:54,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54 WrapperNode [2023-11-19 04:04:54,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:54,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:54,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:54,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:54,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:54,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:54,707 INFO L138 Inliner]: procedures = 178, calls = 392, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1676 [2023-11-19 04:04:54,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:54,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:54,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:54,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:54,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:54,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:54,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:54,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:54,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:54,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:54,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:54,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:54,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:54,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:54,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:54,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:54,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:54,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:54,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f5c9f2-0b34-4da1-86b7-7697677b363c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:54,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f5c9f2-0b34-4da1-86b7-7697677b363c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:54,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8f5c9f2-0b34-4da1-86b7-7697677b363c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:04:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:04:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:04:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:04:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:04:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:04:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:04:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:04:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:55,226 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:55,229 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:58,524 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:05:00,296 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:05:00,296 INFO L302 CfgBuilder]: Removed 69 assume(true) statements. [2023-11-19 04:05:00,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:00 BoogieIcfgContainer [2023-11-19 04:05:00,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:05:00,317 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:05:00,317 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:05:00,328 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:05:00,328 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:00" (1/1) ... [2023-11-19 04:05:00,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:05:00,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1315 states and 1451 transitions. [2023-11-19 04:05:00,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1451 transitions. [2023-11-19 04:05:00,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:05:00,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:00,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:00,674 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 04:05:00,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:00,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1316 states and 1452 transitions. [2023-11-19 04:05:00,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1452 transitions. [2023-11-19 04:05:00,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:05:00,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:00,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:00,842 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 04:05:00,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1315 states and 1451 transitions. [2023-11-19 04:05:00,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1451 transitions. [2023-11-19 04:05:00,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:05:00,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:00,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:01,037 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 04:05:01,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:01,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1314 states and 1450 transitions. [2023-11-19 04:05:01,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1450 transitions. [2023-11-19 04:05:01,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:05:01,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:01,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:01,206 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 04:05:01,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:01,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1313 states and 1449 transitions. [2023-11-19 04:05:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1449 transitions. [2023-11-19 04:05:01,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:05:01,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:01,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:01,401 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 04:05:01,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1312 states and 1448 transitions. [2023-11-19 04:05:01,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1448 transitions. [2023-11-19 04:05:01,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:05:01,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:01,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:01,690 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 04:05:01,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:01,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1314 states and 1452 transitions. [2023-11-19 04:05:01,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1452 transitions. [2023-11-19 04:05:01,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:05:01,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:01,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:01,973 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 04:05:02,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1317 states and 1457 transitions. [2023-11-19 04:05:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1457 transitions. [2023-11-19 04:05:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:05:02,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:02,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:02,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:05:02,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:02,514 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 04:05:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1317 states and 1451 transitions. [2023-11-19 04:05:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1451 transitions. [2023-11-19 04:05:02,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:05:02,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:02,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:02,578 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 04:05:02,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:02,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1322 states and 1461 transitions. [2023-11-19 04:05:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1461 transitions. [2023-11-19 04:05:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:05:02,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:02,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:03,074 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 04:05:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1324 states and 1462 transitions. [2023-11-19 04:05:03,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1462 transitions. [2023-11-19 04:05:03,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:05:03,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:03,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:03,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:05:03,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:03,424 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 04:05:03,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:03,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1324 states and 1460 transitions. [2023-11-19 04:05:03,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1460 transitions. [2023-11-19 04:05:03,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:05:03,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:03,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:03,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:05:03,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:03,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 04:05:03,664 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 04:05:03,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:03,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1326 states and 1464 transitions. [2023-11-19 04:05:03,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1464 transitions. [2023-11-19 04:05:03,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:05:03,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:03,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:03,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:05:03,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:03,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:05:03,991 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 04:05:04,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1328 states and 1468 transitions. [2023-11-19 04:05:04,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1468 transitions. [2023-11-19 04:05:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:05:04,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:04,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:04,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:05:04,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:04,414 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 04:05:04,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:04,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1330 states and 1474 transitions. [2023-11-19 04:05:04,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1474 transitions. [2023-11-19 04:05:04,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:05:04,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:04,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:04,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:05:04,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:04,798 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 04:05:04,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:04,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1329 states and 1473 transitions. [2023-11-19 04:05:04,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1473 transitions. [2023-11-19 04:05:04,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:05:04,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:04,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:04,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:05:04,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:04,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:05:05,121 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 04:05:05,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:05,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1330 states and 1474 transitions. [2023-11-19 04:05:05,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1474 transitions. [2023-11-19 04:05:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:05:05,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:05,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:05,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:05:05,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:05,364 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 04:05:05,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:05,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1329 states and 1473 transitions. [2023-11-19 04:05:05,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1473 transitions. [2023-11-19 04:05:05,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:05:05,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:05,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:05,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:05:05,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:05,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:05:05,586 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 04:05:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:05,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1330 states and 1475 transitions. [2023-11-19 04:05:05,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1475 transitions. [2023-11-19 04:05:05,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:05:05,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:05,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:05,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:05:05,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:06,018 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 04:05:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1333 states and 1481 transitions. [2023-11-19 04:05:06,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1481 transitions. [2023-11-19 04:05:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:05:06,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:06,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:06,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:05:06,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:06,269 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 04:05:06,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:06,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1332 states and 1480 transitions. [2023-11-19 04:05:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1480 transitions. [2023-11-19 04:05:06,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:05:06,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:06,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:06,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:05:06,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:06,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:05:06,472 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 04:05:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:06,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1333 states and 1482 transitions. [2023-11-19 04:05:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1482 transitions. [2023-11-19 04:05:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:05:06,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:06,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:06,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:05:06,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:06,949 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 04:05:06,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:06,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1332 states and 1481 transitions. [2023-11-19 04:05:06,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1481 transitions. [2023-11-19 04:05:06,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:05:06,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:06,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:07,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:05:07,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:07,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:05:07,161 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 04:05:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:07,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1333 states and 1483 transitions. [2023-11-19 04:05:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1483 transitions. [2023-11-19 04:05:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:05:07,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:07,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:07,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:05:07,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:07,588 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 04:05:07,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:07,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1336 states and 1487 transitions. [2023-11-19 04:05:07,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1487 transitions. [2023-11-19 04:05:07,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:05:07,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:07,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:07,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:05:07,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:07,705 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 04:05:07,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1335 states and 1486 transitions. [2023-11-19 04:05:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1486 transitions. [2023-11-19 04:05:07,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:05:07,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:07,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:07,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:05:07,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:07,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:05:07,919 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 04:05:08,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:08,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1336 states and 1488 transitions. [2023-11-19 04:05:08,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1488 transitions. [2023-11-19 04:05:08,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:05:08,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:08,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:08,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:05:08,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:08,374 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 04:05:08,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:08,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1335 states and 1487 transitions. [2023-11-19 04:05:08,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1487 transitions. [2023-11-19 04:05:08,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:05:08,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:08,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:08,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:05:08,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:08,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:05:08,657 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 04:05:08,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:09,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1336 states and 1489 transitions. [2023-11-19 04:05:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1489 transitions. [2023-11-19 04:05:09,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:05:09,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:09,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:09,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:05:09,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:09,091 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 04:05:09,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:09,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1339 states and 1493 transitions. [2023-11-19 04:05:09,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1493 transitions. [2023-11-19 04:05:09,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:05:09,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:09,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:09,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:05:09,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:09,220 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 04:05:09,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:09,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1338 states and 1492 transitions. [2023-11-19 04:05:09,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1492 transitions. [2023-11-19 04:05:09,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:05:09,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:09,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:09,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:05:09,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:09,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:05:09,450 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 04:05:09,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:09,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1339 states and 1494 transitions. [2023-11-19 04:05:09,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1494 transitions. [2023-11-19 04:05:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:05:09,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:09,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:09,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:05:09,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:09,925 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 04:05:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:09,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1338 states and 1493 transitions. [2023-11-19 04:05:09,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1493 transitions. [2023-11-19 04:05:09,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:05:09,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:09,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:10,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:05:10,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:10,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:05:10,169 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 04:05:10,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:10,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1339 states and 1495 transitions. [2023-11-19 04:05:10,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1495 transitions. [2023-11-19 04:05:10,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:05:10,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:10,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:10,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:05:10,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:10,674 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 04:05:10,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1342 states and 1499 transitions. [2023-11-19 04:05:10,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1499 transitions. [2023-11-19 04:05:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:05:10,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:10,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:10,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:05:10,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:10,821 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 04:05:10,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:10,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1341 states and 1498 transitions. [2023-11-19 04:05:10,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1498 transitions. [2023-11-19 04:05:10,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:05:10,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:10,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:10,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:05:10,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:10,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:05:11,098 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 04:05:11,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:11,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1342 states and 1500 transitions. [2023-11-19 04:05:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1500 transitions. [2023-11-19 04:05:11,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:05:11,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:11,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:11,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:05:11,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:11,571 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 04:05:11,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1341 states and 1499 transitions. [2023-11-19 04:05:11,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1499 transitions. [2023-11-19 04:05:11,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:05:11,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:11,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:11,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:05:11,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:11,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:05:11,851 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 04:05:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:12,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1342 states and 1501 transitions. [2023-11-19 04:05:12,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1501 transitions. [2023-11-19 04:05:12,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:05:12,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:12,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:12,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:05:12,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:12,345 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 04:05:12,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:12,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1345 states and 1505 transitions. [2023-11-19 04:05:12,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1505 transitions. [2023-11-19 04:05:12,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:05:12,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:12,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:12,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:05:12,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:12,487 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 04:05:12,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:12,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1344 states and 1504 transitions. [2023-11-19 04:05:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1504 transitions. [2023-11-19 04:05:12,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:05:12,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:12,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:12,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:05:12,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:12,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:05:12,812 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 04:05:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:13,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1345 states and 1506 transitions. [2023-11-19 04:05:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1506 transitions. [2023-11-19 04:05:13,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:05:13,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:13,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:13,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:05:13,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:13,294 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 04:05:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1348 states and 1510 transitions. [2023-11-19 04:05:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1510 transitions. [2023-11-19 04:05:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:05:13,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:13,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:13,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:05:13,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:13,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 04:05:13,450 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 04:05:13,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:13,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1364 states and 1528 transitions. [2023-11-19 04:05:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1528 transitions. [2023-11-19 04:05:13,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:05:13,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:13,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:14,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:05:14,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:14,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:05:14,135 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 04:05:14,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1380 states and 1553 transitions. [2023-11-19 04:05:14,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1553 transitions. [2023-11-19 04:05:14,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:05:14,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:14,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:14,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:05:14,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:14,853 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 04:05:17,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:05:17,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1380 states and 1551 transitions. [2023-11-19 04:05:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1551 transitions. [2023-11-19 04:05:17,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:05:17,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:17,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:17,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:05:17,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:17,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:27,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:05:37,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:05:47,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []