./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi --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 08dbe1d8baf218c90d79c7aa96b8d857526ff0e474f0acb076b8cd9ca4d11ff2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:32,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:32,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:01:32,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:32,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:32,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:32,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:32,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:32,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:32,220 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:32,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:32,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:32,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:32,223 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:01:32,223 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:01:32,224 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:01:32,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:32,225 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:32,225 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:32,226 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:32,226 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:32,234 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:32,234 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:32,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:32,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:32,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:32,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:32,236 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:32,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:32,237 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_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08dbe1d8baf218c90d79c7aa96b8d857526ff0e474f0acb076b8cd9ca4d11ff2 [2023-11-24 23:01:32,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:32,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:32,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:32,545 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:32,546 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:32,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i [2023-11-24 23:01:35,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:36,127 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:36,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i [2023-11-24 23:01:36,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi/data/2dac21e47/2a0c1cf2dd164e629a08d2e86a7e1407/FLAG0763ac8a4 [2023-11-24 23:01:36,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi/data/2dac21e47/2a0c1cf2dd164e629a08d2e86a7e1407 [2023-11-24 23:01:36,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:36,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:36,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:36,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:36,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:36,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9f9c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36, skipping insertion in model container [2023-11-24 23:01:36,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,242 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:36,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:36,885 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:37,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:37,119 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:37,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:37 WrapperNode [2023-11-24 23:01:37,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:37,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:37,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:37,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:37,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:37" (1/1) ... [2023-11-24 23:01:37,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:37" (1/1) ... [2023-11-24 23:01:37,280 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 20, calls inlined = 29, statements flattened = 1594 [2023-11-24 23:01:37,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:37,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:37,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:37,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:37,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:37" (1/1) ... [2023-11-24 23:01:37,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:37" (1/1) ... [2023-11-24 23:01:37,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:37" (1/1) ... [2023-11-24 23:01:37,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:37" (1/1) ... [2023-11-24 23:01:37,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:37" (1/1) ... [2023-11-24 23:01:37,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:37" (1/1) ... [2023-11-24 23:01:37,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:37" (1/1) ... [2023-11-24 23:01:37,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:37" (1/1) ... [2023-11-24 23:01:37,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:37,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:37,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:37,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:37,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:37" (1/1) ... [2023-11-24 23:01:37,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:37,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:37,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:37,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dbeee1-a4dd-44bf-b5d7-22ac32ef925a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:01:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:01:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:01:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:01:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:01:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:01:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:37,818 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:37,821 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:40,876 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:42,633 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:42,634 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-11-24 23:01:42,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:42 BoogieIcfgContainer [2023-11-24 23:01:42,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:42,643 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:42,644 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:42,654 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:42,655 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:42" (1/1) ... [2023-11-24 23:01:42,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:42,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:42,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1195 states and 1338 transitions. [2023-11-24 23:01:42,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1338 transitions. [2023-11-24 23:01:42,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:01:42,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:42,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:43,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:43,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:43,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1194 states and 1337 transitions. [2023-11-24 23:01:43,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1337 transitions. [2023-11-24 23:01:43,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:01:43,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:43,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:43,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:43,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1193 states and 1336 transitions. [2023-11-24 23:01:43,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1336 transitions. [2023-11-24 23:01:43,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:01:43,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:43,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:43,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:43,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1192 states and 1335 transitions. [2023-11-24 23:01:43,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1335 transitions. [2023-11-24 23:01:43,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:01:43,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:43,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:43,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:43,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:43,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1191 states and 1334 transitions. [2023-11-24 23:01:43,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1334 transitions. [2023-11-24 23:01:43,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:01:43,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:43,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:43,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:43,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:43,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1192 states and 1336 transitions. [2023-11-24 23:01:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1336 transitions. [2023-11-24 23:01:43,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:01:43,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:43,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:43,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:01:43,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:43,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:43,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:43,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1192 states and 1330 transitions. [2023-11-24 23:01:43,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1330 transitions. [2023-11-24 23:01:43,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:01:43,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:43,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:44,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:01:44,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:44,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:44,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1192 states and 1328 transitions. [2023-11-24 23:01:44,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1328 transitions. [2023-11-24 23:01:44,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:01:44,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:44,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:44,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:01:44,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:44,314 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 [2023-11-24 23:01:44,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:44,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1194 states and 1332 transitions. [2023-11-24 23:01:44,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1332 transitions. [2023-11-24 23:01:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:01:44,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:44,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:44,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:01:44,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:44,497 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 [2023-11-24 23:01:44,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:44,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:44,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1196 states and 1336 transitions. [2023-11-24 23:01:44,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1336 transitions. [2023-11-24 23:01:44,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:01:44,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:44,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:44,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:01:44,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:44,841 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 [2023-11-24 23:01:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:45,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:45,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1197 states and 1338 transitions. [2023-11-24 23:01:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1338 transitions. [2023-11-24 23:01:45,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:01:45,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:45,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:45,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:45,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:45,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:45,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1197 states and 1337 transitions. [2023-11-24 23:01:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1337 transitions. [2023-11-24 23:01:45,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:01:45,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:45,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:45,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:45,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:45,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:45,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1199 states and 1343 transitions. [2023-11-24 23:01:45,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1343 transitions. [2023-11-24 23:01:45,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:01:45,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:45,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:45,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:45,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:45,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:45,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1198 states and 1342 transitions. [2023-11-24 23:01:45,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1342 transitions. [2023-11-24 23:01:45,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:01:45,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:45,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:45,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:01:45,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:45,857 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 [2023-11-24 23:01:45,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:46,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:46,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1199 states and 1344 transitions. [2023-11-24 23:01:46,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1344 transitions. [2023-11-24 23:01:46,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:46,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:46,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:46,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:46,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:46,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:46,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1198 states and 1343 transitions. [2023-11-24 23:01:46,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1343 transitions. [2023-11-24 23:01:46,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:46,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:46,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:46,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:01:46,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:46,340 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 [2023-11-24 23:01:46,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:46,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1199 states and 1345 transitions. [2023-11-24 23:01:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1345 transitions. [2023-11-24 23:01:46,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:46,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:46,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:46,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:01:46,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:46,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:46,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1202 states and 1351 transitions. [2023-11-24 23:01:46,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1351 transitions. [2023-11-24 23:01:46,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:01:46,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:46,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:46,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:46,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:46,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:47,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:47,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1201 states and 1350 transitions. [2023-11-24 23:01:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1350 transitions. [2023-11-24 23:01:47,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:01:47,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:47,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:47,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:01:47,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:47,093 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 [2023-11-24 23:01:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:47,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1202 states and 1352 transitions. [2023-11-24 23:01:47,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1352 transitions. [2023-11-24 23:01:47,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:47,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:47,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:47,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:47,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:47,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1201 states and 1351 transitions. [2023-11-24 23:01:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1351 transitions. [2023-11-24 23:01:47,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:47,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:47,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:47,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:01:47,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:47,671 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 [2023-11-24 23:01:47,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:48,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1202 states and 1353 transitions. [2023-11-24 23:01:48,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1353 transitions. [2023-11-24 23:01:48,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:48,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:48,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:48,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:01:48,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:48,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1205 states and 1357 transitions. [2023-11-24 23:01:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1357 transitions. [2023-11-24 23:01:48,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:01:48,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:48,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:48,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:01:48,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:48,278 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 [2023-11-24 23:01:48,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:48,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:48,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1206 states and 1360 transitions. [2023-11-24 23:01:48,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1360 transitions. [2023-11-24 23:01:48,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:01:48,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:48,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:48,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:48,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:48,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:48,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1206 states and 1359 transitions. [2023-11-24 23:01:48,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1359 transitions. [2023-11-24 23:01:48,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:01:48,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:48,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:48,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:48,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:48,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:48,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:48,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1205 states and 1358 transitions. [2023-11-24 23:01:48,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1358 transitions. [2023-11-24 23:01:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:01:48,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:48,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:49,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:01:49,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:49,022 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 [2023-11-24 23:01:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1206 states and 1360 transitions. [2023-11-24 23:01:49,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1360 transitions. [2023-11-24 23:01:49,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:01:49,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:49,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:49,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:01:49,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:49,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:49,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:49,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1209 states and 1364 transitions. [2023-11-24 23:01:49,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1364 transitions. [2023-11-24 23:01:49,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:01:49,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:49,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:49,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:49,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:49,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1208 states and 1363 transitions. [2023-11-24 23:01:49,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1363 transitions. [2023-11-24 23:01:49,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:01:49,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:49,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:49,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:01:49,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:49,778 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 [2023-11-24 23:01:49,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:50,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1209 states and 1365 transitions. [2023-11-24 23:01:50,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1365 transitions. [2023-11-24 23:01:50,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:01:50,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:50,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:50,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:50,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:50,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:50,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1208 states and 1364 transitions. [2023-11-24 23:01:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1364 transitions. [2023-11-24 23:01:50,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:01:50,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:50,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:50,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:01:50,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:50,414 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 [2023-11-24 23:01:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:50,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:50,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1209 states and 1366 transitions. [2023-11-24 23:01:50,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1366 transitions. [2023-11-24 23:01:50,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:01:50,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:50,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:50,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:01:50,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:50,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:50,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1212 states and 1370 transitions. [2023-11-24 23:01:50,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1370 transitions. [2023-11-24 23:01:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:01:50,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:50,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:51,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:51,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:51,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:51,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:51,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1211 states and 1369 transitions. [2023-11-24 23:01:51,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1369 transitions. [2023-11-24 23:01:51,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:01:51,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:51,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:51,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:01:51,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:51,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:01:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:51,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:51,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1212 states and 1371 transitions. [2023-11-24 23:01:51,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1371 transitions. [2023-11-24 23:01:51,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:01:51,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:51,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:51,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:01:51,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:51,833 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 [2023-11-24 23:01:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:52,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1213 states and 1374 transitions. [2023-11-24 23:01:52,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1374 transitions. [2023-11-24 23:01:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:01:52,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:52,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:52,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:52,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:52,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:52,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1213 states and 1373 transitions. [2023-11-24 23:01:52,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1373 transitions. [2023-11-24 23:01:52,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:01:52,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:52,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:52,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:01:52,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:52,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1216 states and 1377 transitions. [2023-11-24 23:01:52,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1377 transitions. [2023-11-24 23:01:52,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:01:52,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:52,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:52,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:01:52,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:52,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1219 states and 1381 transitions. [2023-11-24 23:01:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1381 transitions. [2023-11-24 23:01:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:01:52,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:52,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:52,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:01:52,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:02,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:02:02,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:02,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1219 states and 1379 transitions. [2023-11-24 23:02:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1379 transitions. [2023-11-24 23:02:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:02:02,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:02,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:03,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:02:03,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:03,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-24 23:02:03,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:03,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:03,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1235 states and 1397 transitions. [2023-11-24 23:02:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1397 transitions. [2023-11-24 23:02:03,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:02:03,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:03,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:03,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:02:03,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:03,687 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 [2023-11-24 23:02:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:04,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:04,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1251 states and 1422 transitions. [2023-11-24 23:02:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1422 transitions. [2023-11-24 23:02:04,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:02:04,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:04,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:04,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:02:04,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:04,504 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 [2023-11-24 23:02:04,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:16,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:02:26,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []