./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc3a35e-9eca-4468-9146-b0f674a4438c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc3a35e-9eca-4468-9146-b0f674a4438c/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_4fc3a35e-9eca-4468-9146-b0f674a4438c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc3a35e-9eca-4468-9146-b0f674a4438c/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc3a35e-9eca-4468-9146-b0f674a4438c/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_4fc3a35e-9eca-4468-9146-b0f674a4438c/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 7dbada8959d2cc8064c4bd91b5eb9026b5ef55506175e9e1c24832dba2bf0e0c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:28,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:29,065 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc3a35e-9eca-4468-9146-b0f674a4438c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:50:29,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:50:29,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:50:29,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:29,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:29,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:29,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:29,104 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:29,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:50:29,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:29,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:29,108 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:50:29,108 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:50:29,109 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:50:29,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:29,109 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:50:29,110 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:29,110 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:29,111 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:29,111 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:29,112 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:29,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:29,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:29,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:29,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:29,114 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:50:29,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:50:29,115 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_4fc3a35e-9eca-4468-9146-b0f674a4438c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc3a35e-9eca-4468-9146-b0f674a4438c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dbada8959d2cc8064c4bd91b5eb9026b5ef55506175e9e1c24832dba2bf0e0c [2023-11-19 02:50:29,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:29,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:29,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:29,434 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:29,434 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:29,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc3a35e-9eca-4468-9146-b0f674a4438c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-2.i [2023-11-19 02:50:32,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:32,997 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:32,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc3a35e-9eca-4468-9146-b0f674a4438c/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-2.i [2023-11-19 02:50:33,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc3a35e-9eca-4468-9146-b0f674a4438c/bin/ukojak-verify-G8NBE6pJGL/data/d96c43a45/4744827e81f04cada4aa5bdef696323b/FLAG1dce68b99 [2023-11-19 02:50:33,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc3a35e-9eca-4468-9146-b0f674a4438c/bin/ukojak-verify-G8NBE6pJGL/data/d96c43a45/4744827e81f04cada4aa5bdef696323b [2023-11-19 02:50:33,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:33,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:33,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:33,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:33,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:33,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:33" (1/1) ... [2023-11-19 02:50:33,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed88511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:33, skipping insertion in model container [2023-11-19 02:50:33,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:33" (1/1) ... [2023-11-19 02:50:33,105 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:33,391 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:50:33,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:33,728 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:33,761 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:50:33,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:33,939 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:33,939 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:33,947 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:33,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:33 WrapperNode [2023-11-19 02:50:33,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:33,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:33,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:33,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:33,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:33" (1/1) ... [2023-11-19 02:50:34,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:33" (1/1) ... [2023-11-19 02:50:34,106 INFO L138 Inliner]: procedures = 208, calls = 282, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1382 [2023-11-19 02:50:34,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:34,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:34,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:34,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:34,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:33" (1/1) ... [2023-11-19 02:50:34,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:33" (1/1) ... [2023-11-19 02:50:34,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:33" (1/1) ... [2023-11-19 02:50:34,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:33" (1/1) ... [2023-11-19 02:50:34,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:33" (1/1) ... [2023-11-19 02:50:34,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:33" (1/1) ... [2023-11-19 02:50:34,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:33" (1/1) ... [2023-11-19 02:50:34,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:33" (1/1) ... [2023-11-19 02:50:34,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:34,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:34,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:34,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:34,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:33" (1/1) ... [2023-11-19 02:50:34,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:34,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc3a35e-9eca-4468-9146-b0f674a4438c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:34,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc3a35e-9eca-4468-9146-b0f674a4438c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:34,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc3a35e-9eca-4468-9146-b0f674a4438c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:50:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:50:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:50:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:50:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:50:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:50:34,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:50:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:50:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:50:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:34,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:34,635 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:34,647 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:37,193 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:38,691 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:38,692 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 02:50:38,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:38 BoogieIcfgContainer [2023-11-19 02:50:38,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:38,703 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:38,703 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:38,713 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:38,714 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:38" (1/1) ... [2023-11-19 02:50:38,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:38,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:38,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 958 states and 1079 transitions. [2023-11-19 02:50:38,798 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1079 transitions. [2023-11-19 02:50:38,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:50:38,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:38,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:39,068 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 02:50:39,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 959 states and 1080 transitions. [2023-11-19 02:50:39,156 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1080 transitions. [2023-11-19 02:50:39,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:50:39,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:39,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:39,271 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 02:50:39,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:39,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 958 states and 1079 transitions. [2023-11-19 02:50:39,383 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1079 transitions. [2023-11-19 02:50:39,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:50:39,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:39,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:39,547 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 02:50:39,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:39,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 957 states and 1078 transitions. [2023-11-19 02:50:39,745 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1078 transitions. [2023-11-19 02:50:39,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:50:39,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:39,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:39,818 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 02:50:39,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:39,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 958 states and 1080 transitions. [2023-11-19 02:50:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1080 transitions. [2023-11-19 02:50:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:50:39,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:39,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:39,907 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 02:50:39,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:39,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 958 states and 1079 transitions. [2023-11-19 02:50:39,969 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1079 transitions. [2023-11-19 02:50:39,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:50:39,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:39,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:40,019 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 02:50:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 957 states and 1078 transitions. [2023-11-19 02:50:40,045 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1078 transitions. [2023-11-19 02:50:40,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:50:40,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:40,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:40,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:40,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 959 states and 1081 transitions. [2023-11-19 02:50:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1081 transitions. [2023-11-19 02:50:40,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:50:40,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:40,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:40,257 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 02:50:40,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:40,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 958 states and 1080 transitions. [2023-11-19 02:50:40,289 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1080 transitions. [2023-11-19 02:50:40,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:50:40,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:40,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:40,512 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 02:50:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 961 states and 1085 transitions. [2023-11-19 02:50:40,900 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1085 transitions. [2023-11-19 02:50:40,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:50:40,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:40,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:40,944 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 02:50:40,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:40,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 962 states and 1087 transitions. [2023-11-19 02:50:40,969 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1087 transitions. [2023-11-19 02:50:40,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:50:40,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:40,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:40,996 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 02:50:41,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:41,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 962 states and 1086 transitions. [2023-11-19 02:50:41,016 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1086 transitions. [2023-11-19 02:50:41,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:50:41,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:41,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:41,090 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 02:50:41,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:41,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 963 states and 1088 transitions. [2023-11-19 02:50:41,242 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1088 transitions. [2023-11-19 02:50:41,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:50:41,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:41,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:41,351 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 02:50:41,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 964 states and 1090 transitions. [2023-11-19 02:50:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1090 transitions. [2023-11-19 02:50:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:50:41,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:41,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:41,714 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 02:50:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:41,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 965 states and 1092 transitions. [2023-11-19 02:50:41,894 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1092 transitions. [2023-11-19 02:50:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:50:41,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:41,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:41,951 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 02:50:42,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:42,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 967 states and 1096 transitions. [2023-11-19 02:50:42,152 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1096 transitions. [2023-11-19 02:50:42,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:50:42,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:42,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:42,209 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 02:50:42,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:42,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 966 states and 1095 transitions. [2023-11-19 02:50:42,230 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1095 transitions. [2023-11-19 02:50:42,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:50:42,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:42,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:42,290 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 02:50:42,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:42,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 967 states and 1096 transitions. [2023-11-19 02:50:42,310 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1096 transitions. [2023-11-19 02:50:42,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:50:42,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:42,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:42,339 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 02:50:42,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:42,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 968 states and 1098 transitions. [2023-11-19 02:50:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1098 transitions. [2023-11-19 02:50:42,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:50:42,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:42,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:42,600 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 02:50:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:43,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 972 states and 1104 transitions. [2023-11-19 02:50:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1104 transitions. [2023-11-19 02:50:43,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:50:43,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:43,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:43,457 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 02:50:44,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:44,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 979 states and 1116 transitions. [2023-11-19 02:50:44,112 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1116 transitions. [2023-11-19 02:50:44,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:50:44,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:44,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:44,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:44,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:44,198 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 02:50:44,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:44,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 979 states and 1114 transitions. [2023-11-19 02:50:44,214 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1114 transitions. [2023-11-19 02:50:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:50:44,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:44,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:44,276 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 02:50:44,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:44,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 988 states and 1131 transitions. [2023-11-19 02:50:44,789 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1131 transitions. [2023-11-19 02:50:44,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:50:44,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:44,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:44,811 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 02:50:44,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:44,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 988 states and 1123 transitions. [2023-11-19 02:50:44,823 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1123 transitions. [2023-11-19 02:50:44,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:50:44,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:44,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:44,940 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 02:50:45,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:45,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 993 states and 1130 transitions. [2023-11-19 02:50:45,190 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1130 transitions. [2023-11-19 02:50:45,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:50:45,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:45,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:45,304 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 02:50:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:45,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 956 states and 1088 transitions. [2023-11-19 02:50:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1088 transitions. [2023-11-19 02:50:45,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:50:45,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:45,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:45,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:45,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:45,688 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 02:50:45,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 956 states and 1084 transitions. [2023-11-19 02:50:45,700 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1084 transitions. [2023-11-19 02:50:45,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:50:45,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:45,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:45,855 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 02:50:46,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:46,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 958 states and 1085 transitions. [2023-11-19 02:50:46,381 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1085 transitions. [2023-11-19 02:50:46,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:50:46,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:46,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:46,540 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 02:50:46,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:46,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 959 states and 1086 transitions. [2023-11-19 02:50:46,955 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1086 transitions. [2023-11-19 02:50:46,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:50:46,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:46,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:47,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:50:47,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:47,039 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 02:50:47,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:47,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 959 states and 1084 transitions. [2023-11-19 02:50:47,063 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1084 transitions. [2023-11-19 02:50:47,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:50:47,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:47,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:47,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:50:47,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:47,183 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 02:50:47,292 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 02:50:47,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 961 states and 1088 transitions. [2023-11-19 02:50:47,391 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1088 transitions. [2023-11-19 02:50:47,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:50:47,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:47,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:47,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:50:47,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:47,491 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 02:50:47,631 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 02:50:48,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:48,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 966 states and 1096 transitions. [2023-11-19 02:50:48,006 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1096 transitions. [2023-11-19 02:50:48,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:50:48,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:48,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:48,213 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 02:50:48,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:48,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 969 states and 1101 transitions. [2023-11-19 02:50:48,501 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1101 transitions. [2023-11-19 02:50:48,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:50:48,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:48,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:48,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:50:48,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:48,577 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 02:50:48,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:48,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 968 states and 1100 transitions. [2023-11-19 02:50:48,595 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1100 transitions. [2023-11-19 02:50:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:50:48,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:48,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:48,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:50:48,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:48,687 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 02:50:48,926 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 02:50:49,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:49,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 969 states and 1101 transitions. [2023-11-19 02:50:49,111 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1101 transitions. [2023-11-19 02:50:49,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:50:49,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:49,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:49,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:50:49,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:49,354 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 02:50:49,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:49,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 971 states and 1107 transitions. [2023-11-19 02:50:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1107 transitions. [2023-11-19 02:50:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:50:49,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:49,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:49,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:50:49,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:49,929 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 02:50:49,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:49,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 970 states and 1106 transitions. [2023-11-19 02:50:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1106 transitions. [2023-11-19 02:50:49,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:50:49,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:49,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:50,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:50:50,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:50,040 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 02:50:50,181 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 02:50:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 971 states and 1108 transitions. [2023-11-19 02:50:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1108 transitions. [2023-11-19 02:50:50,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:50:50,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:50,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:51,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:51,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 976 states and 1116 transitions. [2023-11-19 02:50:51,368 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1116 transitions. [2023-11-19 02:50:51,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:50:51,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:51,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:51,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:50:51,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:51,462 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 02:50:51,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:51,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 975 states and 1115 transitions. [2023-11-19 02:50:51,485 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1115 transitions. [2023-11-19 02:50:51,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:50:51,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:51,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:51,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:50:51,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:51,578 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 02:50:51,721 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 02:50:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:52,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 976 states and 1117 transitions. [2023-11-19 02:50:52,178 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1117 transitions. [2023-11-19 02:50:52,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:50:52,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:52,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:52,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:50:52,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:52,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:52,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 979 states and 1123 transitions. [2023-11-19 02:50:52,613 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1123 transitions. [2023-11-19 02:50:52,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:50:52,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:52,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:52,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:50:52,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:52,716 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 02:50:52,880 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 02:50:53,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 980 states and 1126 transitions. [2023-11-19 02:50:53,020 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1126 transitions. [2023-11-19 02:50:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:50:53,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:53,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:53,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:50:53,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:53,158 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 02:50:53,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:53,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 980 states and 1125 transitions. [2023-11-19 02:50:53,499 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1125 transitions. [2023-11-19 02:50:53,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:50:53,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:53,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:53,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:53,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:53,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 983 states and 1129 transitions. [2023-11-19 02:50:53,625 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1129 transitions. [2023-11-19 02:50:53,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:50:53,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:53,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:53,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:50:53,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:53,734 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 02:50:53,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 982 states and 1128 transitions. [2023-11-19 02:50:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1128 transitions. [2023-11-19 02:50:53,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:50:53,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:53,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:53,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:50:53,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:53,844 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 02:50:54,013 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 02:50:54,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:54,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 983 states and 1130 transitions. [2023-11-19 02:50:54,500 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1130 transitions. [2023-11-19 02:50:54,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:50:54,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:54,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:54,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:50:54,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:54,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:54,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:54,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 986 states and 1134 transitions. [2023-11-19 02:50:54,615 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1134 transitions. [2023-11-19 02:50:54,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:50:54,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:54,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:54,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:50:54,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:54,701 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 02:50:54,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:54,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 985 states and 1133 transitions. [2023-11-19 02:50:54,722 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1133 transitions. [2023-11-19 02:50:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:50:54,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:54,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:54,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:50:54,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:54,807 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 02:50:54,975 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 02:50:55,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:55,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 986 states and 1135 transitions. [2023-11-19 02:50:55,521 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1135 transitions. [2023-11-19 02:50:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:50:55,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:55,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:55,629 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 02:50:55,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 989 states and 1139 transitions. [2023-11-19 02:50:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1139 transitions. [2023-11-19 02:50:55,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:50:55,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:55,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:55,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:50:55,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:55,746 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 02:50:55,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:55,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 988 states and 1138 transitions. [2023-11-19 02:50:55,767 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1138 transitions. [2023-11-19 02:50:55,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:50:55,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:55,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:55,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:50:55,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:55,851 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 02:50:56,068 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 02:50:56,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:56,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 989 states and 1140 transitions. [2023-11-19 02:50:56,568 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1140 transitions. [2023-11-19 02:50:56,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:50:56,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:56,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:56,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:50:56,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:56,660 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 02:50:56,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:56,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 992 states and 1144 transitions. [2023-11-19 02:50:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1144 transitions. [2023-11-19 02:50:56,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:50:56,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:56,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:56,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:50:56,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:56,782 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 02:50:56,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 991 states and 1143 transitions. [2023-11-19 02:50:56,803 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1143 transitions. [2023-11-19 02:50:56,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:50:56,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:56,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:56,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:50:56,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:56,955 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 02:50:57,134 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 02:50:57,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:57,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 992 states and 1145 transitions. [2023-11-19 02:50:57,663 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1145 transitions. [2023-11-19 02:50:57,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:50:57,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:57,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:57,733 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 02:50:57,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:57,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 995 states and 1149 transitions. [2023-11-19 02:50:57,765 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1149 transitions. [2023-11-19 02:50:57,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:50:57,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:57,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:57,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:50:57,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:57,857 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 02:50:58,068 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 02:50:58,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 996 states and 1152 transitions. [2023-11-19 02:50:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1152 transitions. [2023-11-19 02:50:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:50:58,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:58,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:58,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:50:58,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:58,333 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 02:50:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:58,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 996 states and 1151 transitions. [2023-11-19 02:50:58,706 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1151 transitions. [2023-11-19 02:50:58,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:50:58,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:58,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:58,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:50:58,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:58,832 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 02:50:58,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 999 states and 1155 transitions. [2023-11-19 02:50:58,863 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1155 transitions. [2023-11-19 02:50:58,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:50:58,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:58,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:58,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:50:58,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:59,006 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 02:50:59,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:59,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 998 states and 1154 transitions. [2023-11-19 02:50:59,034 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1154 transitions. [2023-11-19 02:50:59,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:50:59,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:59,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:59,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:50:59,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:59,141 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 02:50:59,327 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 02:50:59,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:59,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 999 states and 1156 transitions. [2023-11-19 02:50:59,884 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1156 transitions. [2023-11-19 02:50:59,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:50:59,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:59,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:59,960 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 02:50:59,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1002 states and 1161 transitions. [2023-11-19 02:50:59,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1161 transitions. [2023-11-19 02:51:00,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:51:00,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:00,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:00,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:00,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:00,118 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 02:51:00,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:00,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1001 states and 1160 transitions. [2023-11-19 02:51:00,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1160 transitions. [2023-11-19 02:51:00,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:51:00,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:00,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:00,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:00,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:00,258 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 02:51:00,457 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 02:51:00,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:00,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1002 states and 1162 transitions. [2023-11-19 02:51:00,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1162 transitions. [2023-11-19 02:51:00,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:51:00,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:00,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:01,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:51:01,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:01,058 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 02:51:01,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:01,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1005 states and 1166 transitions. [2023-11-19 02:51:01,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1166 transitions. [2023-11-19 02:51:01,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:51:01,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:01,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:01,168 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 02:51:02,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1021 states and 1185 transitions. [2023-11-19 02:51:02,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1185 transitions. [2023-11-19 02:51:02,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:51:02,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:02,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:02,330 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 02:51:04,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:04,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1044 states and 1215 transitions. [2023-11-19 02:51:04,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1215 transitions. [2023-11-19 02:51:04,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:51:04,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:04,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:04,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:51:04,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:04,880 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 02:51:04,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1047 states and 1219 transitions. [2023-11-19 02:51:04,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1219 transitions. [2023-11-19 02:51:04,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:51:04,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:04,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:04,962 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 02:51:05,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1052 states and 1224 transitions. [2023-11-19 02:51:05,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1224 transitions. [2023-11-19 02:51:05,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:51:05,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:05,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:05,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:51:05,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:05,980 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 02:51:16,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:51:16,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:16,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1046 states and 1207 transitions. [2023-11-19 02:51:16,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1207 transitions. [2023-11-19 02:51:16,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:51:16,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:16,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:16,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:51:16,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:16,098 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 02:51:16,134 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 02:51:16,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:16,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1050 states and 1213 transitions. [2023-11-19 02:51:16,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1213 transitions. [2023-11-19 02:51:16,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:51:16,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:16,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:17,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:51:17,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:17,020 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 02:51:17,104 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 02:51:18,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1066 states and 1238 transitions. [2023-11-19 02:51:18,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1238 transitions. [2023-11-19 02:51:18,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:51:18,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:18,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:18,085 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 02:51:18,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:18,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1069 states and 1242 transitions. [2023-11-19 02:51:18,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1242 transitions. [2023-11-19 02:51:18,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:51:18,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:18,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:18,436 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 02:51:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:19,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1072 states and 1248 transitions. [2023-11-19 02:51:19,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1248 transitions. [2023-11-19 02:51:19,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:51:19,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:19,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:19,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:51:19,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:19,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.