./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.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_b93c954d-fb46-4a47-b2e5-2e091a2468ee/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93c954d-fb46-4a47-b2e5-2e091a2468ee/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_b93c954d-fb46-4a47-b2e5-2e091a2468ee/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93c954d-fb46-4a47-b2e5-2e091a2468ee/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93c954d-fb46-4a47-b2e5-2e091a2468ee/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_b93c954d-fb46-4a47-b2e5-2e091a2468ee/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 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:31,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:31,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93c954d-fb46-4a47-b2e5-2e091a2468ee/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:19:31,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:19:31,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:19:31,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:31,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:31,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:31,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:31,996 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:19:31,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:19:31,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:19:31,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:32,001 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:19:32,001 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:19:32,002 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:19:32,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:32,003 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:19:32,003 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:19:32,004 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:32,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:32,005 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:32,006 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:32,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:32,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:32,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:32,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:32,010 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:19:32,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:19:32,011 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_b93c954d-fb46-4a47-b2e5-2e091a2468ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93c954d-fb46-4a47-b2e5-2e091a2468ee/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2023-11-19 03:19:32,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:32,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:32,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:32,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:32,455 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:32,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93c954d-fb46-4a47-b2e5-2e091a2468ee/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2023-11-19 03:19:36,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:36,680 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:36,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93c954d-fb46-4a47-b2e5-2e091a2468ee/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2023-11-19 03:19:36,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93c954d-fb46-4a47-b2e5-2e091a2468ee/bin/ukojak-verify-G8NBE6pJGL/data/46cd03a19/b906eca2771a4c31a7d386478aec6800/FLAG82cce84cc [2023-11-19 03:19:36,737 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93c954d-fb46-4a47-b2e5-2e091a2468ee/bin/ukojak-verify-G8NBE6pJGL/data/46cd03a19/b906eca2771a4c31a7d386478aec6800 [2023-11-19 03:19:36,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:36,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:36,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:36,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:36,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:36,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:36" (1/1) ... [2023-11-19 03:19:36,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141aff1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:36, skipping insertion in model container [2023-11-19 03:19:36,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:36" (1/1) ... [2023-11-19 03:19:36,875 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:19:37,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:37,865 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:19:37,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:38,047 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:19:38,058 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:19:38,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:38 WrapperNode [2023-11-19 03:19:38,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:38,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:38,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:19:38,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:19:38,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:38" (1/1) ... [2023-11-19 03:19:38,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:38" (1/1) ... [2023-11-19 03:19:38,214 INFO L138 Inliner]: procedures = 208, calls = 237, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 1261 [2023-11-19 03:19:38,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:38,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:19:38,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:19:38,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:19:38,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:38" (1/1) ... [2023-11-19 03:19:38,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:38" (1/1) ... [2023-11-19 03:19:38,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:38" (1/1) ... [2023-11-19 03:19:38,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:38" (1/1) ... [2023-11-19 03:19:38,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:38" (1/1) ... [2023-11-19 03:19:38,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:38" (1/1) ... [2023-11-19 03:19:38,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:38" (1/1) ... [2023-11-19 03:19:38,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:38" (1/1) ... [2023-11-19 03:19:38,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:19:38,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:19:38,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:19:38,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:19:38,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:38" (1/1) ... [2023-11-19 03:19:38,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:38,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93c954d-fb46-4a47-b2e5-2e091a2468ee/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:19:38,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93c954d-fb46-4a47-b2e5-2e091a2468ee/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:19:38,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93c954d-fb46-4a47-b2e5-2e091a2468ee/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:19:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:19:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:19:38,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:19:38,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:19:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:19:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:19:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:19:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:19:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:19:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:19:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:19:38,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:19:38,887 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:19:38,890 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:19:41,769 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:19:43,584 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:19:43,585 INFO L302 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-19 03:19:43,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:43 BoogieIcfgContainer [2023-11-19 03:19:43,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:19:43,608 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:19:43,609 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:19:43,624 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:19:43,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:43" (1/1) ... [2023-11-19 03:19:43,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:19:43,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 815 states and 931 transitions. [2023-11-19 03:19:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 931 transitions. [2023-11-19 03:19:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:19:43,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:43,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:44,106 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 03:19:44,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 814 states and 930 transitions. [2023-11-19 03:19:44,149 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 930 transitions. [2023-11-19 03:19:44,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:19:44,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:44,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:44,284 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 03:19:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 813 states and 929 transitions. [2023-11-19 03:19:44,406 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 929 transitions. [2023-11-19 03:19:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:19:44,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:44,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:44,522 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 03:19:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:44,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 812 states and 927 transitions. [2023-11-19 03:19:44,567 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 927 transitions. [2023-11-19 03:19:44,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:19:44,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:44,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:44,699 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 03:19:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 813 states and 929 transitions. [2023-11-19 03:19:44,743 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 929 transitions. [2023-11-19 03:19:44,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:19:44,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:44,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:44,970 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 03:19:45,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 812 states and 928 transitions. [2023-11-19 03:19:45,033 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 928 transitions. [2023-11-19 03:19:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:19:45,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:45,237 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 03:19:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 815 states and 933 transitions. [2023-11-19 03:19:45,507 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 933 transitions. [2023-11-19 03:19:45,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:19:45,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:45,541 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 03:19:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 814 states and 932 transitions. [2023-11-19 03:19:45,564 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 932 transitions. [2023-11-19 03:19:45,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:19:45,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:45,615 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 03:19:45,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 815 states and 934 transitions. [2023-11-19 03:19:45,639 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 934 transitions. [2023-11-19 03:19:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:19:45,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:45,703 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 03:19:45,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 816 states and 936 transitions. [2023-11-19 03:19:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 936 transitions. [2023-11-19 03:19:45,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:19:45,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:45,998 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 03:19:46,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 817 states and 938 transitions. [2023-11-19 03:19:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 938 transitions. [2023-11-19 03:19:46,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:19:46,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:46,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:46,386 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 03:19:46,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:46,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 816 states and 936 transitions. [2023-11-19 03:19:46,432 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 936 transitions. [2023-11-19 03:19:46,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:19:46,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:46,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:46,507 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 03:19:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 817 states and 938 transitions. [2023-11-19 03:19:46,585 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 938 transitions. [2023-11-19 03:19:46,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:19:46,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:46,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:46,650 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 03:19:46,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:46,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 819 states and 943 transitions. [2023-11-19 03:19:46,839 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 943 transitions. [2023-11-19 03:19:46,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:19:46,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:46,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:46,883 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 03:19:47,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:47,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 820 states and 944 transitions. [2023-11-19 03:19:47,147 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 944 transitions. [2023-11-19 03:19:47,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:19:47,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:47,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:47,184 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 03:19:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:47,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 819 states and 943 transitions. [2023-11-19 03:19:47,207 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 943 transitions. [2023-11-19 03:19:47,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:19:47,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:47,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:47,256 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 03:19:47,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:47,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 820 states and 944 transitions. [2023-11-19 03:19:47,282 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 944 transitions. [2023-11-19 03:19:47,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:19:47,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:47,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:47,331 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 03:19:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:47,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 821 states and 946 transitions. [2023-11-19 03:19:47,519 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 946 transitions. [2023-11-19 03:19:47,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:19:47,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:47,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:47,608 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 03:19:47,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:47,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 824 states and 950 transitions. [2023-11-19 03:19:47,772 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 950 transitions. [2023-11-19 03:19:47,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:19:47,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:47,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:47,897 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 03:19:48,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:48,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 826 states and 953 transitions. [2023-11-19 03:19:48,289 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 953 transitions. [2023-11-19 03:19:48,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:19:48,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:48,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:48,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:48,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:48,433 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 03:19:48,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:48,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 826 states and 951 transitions. [2023-11-19 03:19:48,456 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 951 transitions. [2023-11-19 03:19:48,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:19:48,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:48,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:48,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:48,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:48,546 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 03:19:48,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 826 states and 947 transitions. [2023-11-19 03:19:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 947 transitions. [2023-11-19 03:19:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:19:48,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:48,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:48,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:48,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:48,656 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 03:19:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:48,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 826 states and 945 transitions. [2023-11-19 03:19:48,670 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 945 transitions. [2023-11-19 03:19:48,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:19:48,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:48,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:48,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:19:48,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:48,824 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 03:19:48,907 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 03:19:48,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 828 states and 949 transitions. [2023-11-19 03:19:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 949 transitions. [2023-11-19 03:19:49,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:19:49,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:49,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:49,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:19:49,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:49,114 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 03:19:49,327 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 03:19:49,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:49,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 833 states and 957 transitions. [2023-11-19 03:19:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 957 transitions. [2023-11-19 03:19:49,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:19:49,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:49,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:49,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:19:49,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:50,115 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 03:19:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:50,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 835 states and 963 transitions. [2023-11-19 03:19:50,550 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 963 transitions. [2023-11-19 03:19:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:19:50,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:50,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:50,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:19:50,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:50,649 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 03:19:50,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:50,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 834 states and 962 transitions. [2023-11-19 03:19:50,674 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 962 transitions. [2023-11-19 03:19:50,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:19:50,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:50,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:50,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:19:50,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:50,763 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 03:19:50,959 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 03:19:51,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 835 states and 963 transitions. [2023-11-19 03:19:51,146 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 963 transitions. [2023-11-19 03:19:51,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:19:51,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:19:51,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:51,244 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 03:19:51,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 834 states and 962 transitions. [2023-11-19 03:19:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 962 transitions. [2023-11-19 03:19:51,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:19:51,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:19:51,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:51,366 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 03:19:51,525 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 03:19:51,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 835 states and 964 transitions. [2023-11-19 03:19:51,945 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 964 transitions. [2023-11-19 03:19:51,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:19:51,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:52,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:19:52,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:52,107 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 03:19:52,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:52,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 838 states and 970 transitions. [2023-11-19 03:19:52,324 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 970 transitions. [2023-11-19 03:19:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:19:52,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:52,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:52,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:19:52,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:52,441 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 03:19:52,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:52,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 837 states and 969 transitions. [2023-11-19 03:19:52,467 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 969 transitions. [2023-11-19 03:19:52,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:19:52,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:52,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:52,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:19:52,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:52,551 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 03:19:52,698 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 03:19:53,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:53,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 838 states and 971 transitions. [2023-11-19 03:19:53,103 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 971 transitions. [2023-11-19 03:19:53,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:19:53,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:53,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:53,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:19:53,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:53,204 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 03:19:53,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:53,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 837 states and 970 transitions. [2023-11-19 03:19:53,234 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 970 transitions. [2023-11-19 03:19:53,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:19:53,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:53,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:53,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:19:53,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:53,333 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 03:19:53,498 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 03:19:53,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:53,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 838 states and 972 transitions. [2023-11-19 03:19:53,935 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 972 transitions. [2023-11-19 03:19:53,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:19:53,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:53,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:54,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:19:54,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:54,041 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 03:19:54,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:54,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 841 states and 976 transitions. [2023-11-19 03:19:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 976 transitions. [2023-11-19 03:19:54,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:19:54,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:54,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:54,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:19:54,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:54,225 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 03:19:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:54,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 840 states and 975 transitions. [2023-11-19 03:19:54,257 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 975 transitions. [2023-11-19 03:19:54,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:19:54,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:54,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:54,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:19:54,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:54,371 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 03:19:54,554 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 03:19:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:55,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 841 states and 977 transitions. [2023-11-19 03:19:55,044 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 977 transitions. [2023-11-19 03:19:55,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:19:55,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:55,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:55,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:19:55,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:55,148 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 03:19:55,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:55,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 840 states and 976 transitions. [2023-11-19 03:19:55,175 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 976 transitions. [2023-11-19 03:19:55,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:19:55,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:55,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:55,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:19:55,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:55,277 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 03:19:55,436 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 03:19:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 841 states and 978 transitions. [2023-11-19 03:19:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 978 transitions. [2023-11-19 03:19:55,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:19:55,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:55,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:55,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:19:55,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:55,972 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 03:19:56,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:56,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 844 states and 982 transitions. [2023-11-19 03:19:56,010 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 982 transitions. [2023-11-19 03:19:56,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:19:56,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:56,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:56,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:19:56,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:56,113 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 03:19:56,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:56,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 843 states and 981 transitions. [2023-11-19 03:19:56,137 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 981 transitions. [2023-11-19 03:19:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:19:56,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:56,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:56,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:19:56,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:56,287 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 03:19:56,447 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 03:19:56,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 844 states and 983 transitions. [2023-11-19 03:19:56,893 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 983 transitions. [2023-11-19 03:19:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:19:56,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:56,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:56,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:19:56,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:57,010 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 03:19:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 843 states and 982 transitions. [2023-11-19 03:19:57,042 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 982 transitions. [2023-11-19 03:19:57,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:19:57,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:57,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:57,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:19:57,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:57,148 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 03:19:57,337 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 03:19:57,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 844 states and 984 transitions. [2023-11-19 03:19:57,786 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 984 transitions. [2023-11-19 03:19:57,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:19:57,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:57,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:57,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:19:57,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:57,925 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 03:19:57,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:57,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 847 states and 988 transitions. [2023-11-19 03:19:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 988 transitions. [2023-11-19 03:19:57,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:19:57,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:57,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:58,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:19:58,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:58,069 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 03:19:58,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:58,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 846 states and 987 transitions. [2023-11-19 03:19:58,092 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 987 transitions. [2023-11-19 03:19:58,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:19:58,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:58,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:58,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:19:58,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:58,266 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 03:19:58,503 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 03:19:58,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:58,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 847 states and 989 transitions. [2023-11-19 03:19:58,948 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 989 transitions. [2023-11-19 03:19:58,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:19:58,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:58,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:59,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:19:59,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:59,050 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 03:19:59,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:59,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 846 states and 988 transitions. [2023-11-19 03:19:59,076 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 988 transitions. [2023-11-19 03:19:59,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:19:59,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:59,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:59,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:19:59,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:59,200 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 03:19:59,399 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 03:19:59,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:59,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 847 states and 990 transitions. [2023-11-19 03:19:59,933 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 990 transitions. [2023-11-19 03:19:59,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:19:59,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:59,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:00,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:20:00,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:00,041 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 03:20:00,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:00,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 850 states and 994 transitions. [2023-11-19 03:20:00,081 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 994 transitions. [2023-11-19 03:20:00,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:20:00,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:00,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:00,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:20:00,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:00,196 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 03:20:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:00,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 849 states and 993 transitions. [2023-11-19 03:20:00,284 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 993 transitions. [2023-11-19 03:20:00,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:20:00,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:00,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:00,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:20:00,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:00,379 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 03:20:00,573 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 03:20:01,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:01,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 850 states and 995 transitions. [2023-11-19 03:20:01,043 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 995 transitions. [2023-11-19 03:20:01,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:20:01,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:01,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:01,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:20:01,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:01,153 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 03:20:01,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:01,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 853 states and 999 transitions. [2023-11-19 03:20:01,194 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 999 transitions. [2023-11-19 03:20:01,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:20:01,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:01,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:01,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:20:01,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:01,289 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 03:20:01,333 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 03:20:01,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:01,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 869 states and 1017 transitions. [2023-11-19 03:20:01,972 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1017 transitions. [2023-11-19 03:20:01,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:20:01,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:01,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:02,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:20:02,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:02,087 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 03:20:02,208 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 03:20:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:02,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 885 states and 1042 transitions. [2023-11-19 03:20:02,947 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1042 transitions. [2023-11-19 03:20:02,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:20:02,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:02,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:03,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:20:03,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:03,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:13,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:20:13,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 885 states and 1040 transitions. [2023-11-19 03:20:13,080 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1040 transitions. [2023-11-19 03:20:13,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:20:13,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:13,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:13,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:20:13,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:23,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []