./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.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_9976a620-8d0a-4c86-bbaf-593765e30506/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9976a620-8d0a-4c86-bbaf-593765e30506/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_9976a620-8d0a-4c86-bbaf-593765e30506/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9976a620-8d0a-4c86-bbaf-593765e30506/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9976a620-8d0a-4c86-bbaf-593765e30506/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_9976a620-8d0a-4c86-bbaf-593765e30506/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 a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:22:53,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:22:53,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9976a620-8d0a-4c86-bbaf-593765e30506/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:22:53,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:22:53,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:22:53,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:22:53,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:22:53,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:22:53,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:22:53,859 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:22:53,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:22:53,860 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:22:53,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:22:53,861 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:22:53,861 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:22:53,862 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:22:53,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:22:53,863 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:22:53,863 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:22:53,864 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:22:53,864 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:22:53,865 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:22:53,865 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:22:53,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:22:53,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:53,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:22:53,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:22:53,867 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:22:53,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:22:53,868 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_9976a620-8d0a-4c86-bbaf-593765e30506/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9976a620-8d0a-4c86-bbaf-593765e30506/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2023-11-19 03:22:54,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:22:54,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:22:54,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:22:54,270 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:22:54,271 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:22:54,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9976a620-8d0a-4c86-bbaf-593765e30506/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2023-11-19 03:22:57,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:22:57,993 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:22:57,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9976a620-8d0a-4c86-bbaf-593765e30506/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2023-11-19 03:22:58,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9976a620-8d0a-4c86-bbaf-593765e30506/bin/ukojak-verify-G8NBE6pJGL/data/aa1853d87/86012b59761846b7a60c007aa07491d4/FLAG11863d76f [2023-11-19 03:22:58,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9976a620-8d0a-4c86-bbaf-593765e30506/bin/ukojak-verify-G8NBE6pJGL/data/aa1853d87/86012b59761846b7a60c007aa07491d4 [2023-11-19 03:22:58,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:22:58,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:22:58,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:58,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:22:58,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:22:58,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:58" (1/1) ... [2023-11-19 03:22:58,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9a07f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:58, skipping insertion in model container [2023-11-19 03:22:58,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:58" (1/1) ... [2023-11-19 03:22:58,158 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:22:59,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:59,737 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:00,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:00,266 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:23:00,274 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:00,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:00 WrapperNode [2023-11-19 03:23:00,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:00,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:00,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:00,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:00,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:00" (1/1) ... [2023-11-19 03:23:00,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:00" (1/1) ... [2023-11-19 03:23:00,565 INFO L138 Inliner]: procedures = 476, calls = 867, calls flagged for inlining = 216, calls inlined = 370, statements flattened = 2593 [2023-11-19 03:23:00,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:00,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:00,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:00,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:00,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:00" (1/1) ... [2023-11-19 03:23:00,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:00" (1/1) ... [2023-11-19 03:23:00,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:00" (1/1) ... [2023-11-19 03:23:00,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:00" (1/1) ... [2023-11-19 03:23:00,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:00" (1/1) ... [2023-11-19 03:23:00,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:00" (1/1) ... [2023-11-19 03:23:00,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:00" (1/1) ... [2023-11-19 03:23:00,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:00" (1/1) ... [2023-11-19 03:23:00,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:00,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:00,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:00,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:00,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:00" (1/1) ... [2023-11-19 03:23:00,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:00,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9976a620-8d0a-4c86-bbaf-593765e30506/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:00,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9976a620-8d0a-4c86-bbaf-593765e30506/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:00,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9976a620-8d0a-4c86-bbaf-593765e30506/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:23:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:23:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:23:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:23:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:23:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:00,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:23:00,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:23:00,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:23:00,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:23:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:23:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:23:01,326 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:01,328 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:05,135 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:06,105 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:06,105 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:23:06,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:06 BoogieIcfgContainer [2023-11-19 03:23:06,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:06,116 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:06,116 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:06,126 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:06,126 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:06" (1/1) ... [2023-11-19 03:23:06,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:06,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:06,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 792 states and 927 transitions. [2023-11-19 03:23:06,208 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 927 transitions. [2023-11-19 03:23:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:23:06,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:06,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:07,136 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 03:23:07,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:07,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 791 states and 926 transitions. [2023-11-19 03:23:07,974 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 926 transitions. [2023-11-19 03:23:07,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:23:07,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:07,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:08,579 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 03:23:09,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:09,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:09,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 790 states and 925 transitions. [2023-11-19 03:23:09,911 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 925 transitions. [2023-11-19 03:23:09,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:23:09,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:09,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:10,080 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 03:23:10,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:10,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 789 states and 924 transitions. [2023-11-19 03:23:10,117 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 924 transitions. [2023-11-19 03:23:10,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:23:10,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:10,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:10,787 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 03:23:10,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:10,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 788 states and 923 transitions. [2023-11-19 03:23:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 923 transitions. [2023-11-19 03:23:10,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:23:10,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:10,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:11,212 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 03:23:12,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:12,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:12,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 787 states and 922 transitions. [2023-11-19 03:23:12,648 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 922 transitions. [2023-11-19 03:23:12,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:23:12,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:12,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:13,003 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 03:23:14,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:14,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:14,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 789 states and 924 transitions. [2023-11-19 03:23:14,618 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 924 transitions. [2023-11-19 03:23:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:23:14,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:14,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:15,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:15,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:15,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 788 states and 923 transitions. [2023-11-19 03:23:15,619 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 923 transitions. [2023-11-19 03:23:15,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:23:15,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:15,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:15,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:16,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:16,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 789 states and 924 transitions. [2023-11-19 03:23:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 924 transitions. [2023-11-19 03:23:16,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:23:16,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:16,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:23:17,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:23:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:19,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 791 states and 929 transitions. [2023-11-19 03:23:19,322 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 929 transitions. [2023-11-19 03:23:19,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:23:19,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:19,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:19,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:20,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:20,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 793 states and 931 transitions. [2023-11-19 03:23:20,216 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 931 transitions. [2023-11-19 03:23:20,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:23:20,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:20,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:21,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 795 states and 933 transitions. [2023-11-19 03:23:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 933 transitions. [2023-11-19 03:23:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:23:21,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:21,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:21,857 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:23:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:26,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 797 states and 935 transitions. [2023-11-19 03:23:26,425 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 935 transitions. [2023-11-19 03:23:26,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:26,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:26,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:26,671 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:23:26,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:26,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 796 states and 934 transitions. [2023-11-19 03:23:26,778 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 934 transitions. [2023-11-19 03:23:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:26,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:26,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:23:27,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:27,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 797 states and 937 transitions. [2023-11-19 03:23:27,543 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 937 transitions. [2023-11-19 03:23:27,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:27,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:27,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:23:27,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:27,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 796 states and 936 transitions. [2023-11-19 03:23:27,877 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 936 transitions. [2023-11-19 03:23:27,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:27,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:27,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:28,168 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:23:28,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:28,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 797 states and 937 transitions. [2023-11-19 03:23:28,550 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 937 transitions. [2023-11-19 03:23:28,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:28,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:28,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:28,741 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:23:29,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:29,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 791 states and 926 transitions. [2023-11-19 03:23:29,011 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 926 transitions. [2023-11-19 03:23:29,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:23:29,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:29,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:23:30,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 793 states and 927 transitions. [2023-11-19 03:23:30,275 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 927 transitions. [2023-11-19 03:23:30,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:23:30,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:30,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:30,667 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:23:31,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:31,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 795 states and 929 transitions. [2023-11-19 03:23:31,466 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 929 transitions. [2023-11-19 03:23:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:23:31,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:31,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:23:32,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 797 states and 931 transitions. [2023-11-19 03:23:32,785 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 931 transitions. [2023-11-19 03:23:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:23:32,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:32,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:23:34,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:34,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 799 states and 933 transitions. [2023-11-19 03:23:34,113 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 933 transitions. [2023-11-19 03:23:34,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:23:34,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:34,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:34,559 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:23:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:35,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 801 states and 935 transitions. [2023-11-19 03:23:35,531 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 935 transitions. [2023-11-19 03:23:35,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:23:35,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:35,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:36,001 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:23:36,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 803 states and 936 transitions. [2023-11-19 03:23:36,771 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 936 transitions. [2023-11-19 03:23:36,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:23:36,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:36,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:37,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:41,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.