./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.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_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/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_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/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_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/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 bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:01,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:01,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:01:01,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:01,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:01,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:01,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:01,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:01,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:01,814 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:01,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:01,816 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:01,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:01,818 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:01:01,819 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:01:01,819 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:01:01,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:01,820 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:01,821 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:01,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:01,822 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:01,822 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:01,823 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:01,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:01,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:01,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:01,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:01,826 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:01,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:01,827 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_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2023-11-24 23:01:02,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:02,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:02,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:02,196 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:02,197 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:02,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-11-24 23:01:05,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:05,839 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:05,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-11-24 23:01:05,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/bin/ukojak-verify-afCqCEvfdi/data/1c0f02294/7dfde823f89c44dfa33ee37801f1570d/FLAGe153aee6b [2023-11-24 23:01:05,892 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/bin/ukojak-verify-afCqCEvfdi/data/1c0f02294/7dfde823f89c44dfa33ee37801f1570d [2023-11-24 23:01:05,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:05,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:05,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:05,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:05,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:05,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:05" (1/1) ... [2023-11-24 23:01:05,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b12a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:05, skipping insertion in model container [2023-11-24 23:01:05,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:05" (1/1) ... [2023-11-24 23:01:05,998 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:06,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:06,971 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:07,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:07,230 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:01:07,238 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:07,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:07 WrapperNode [2023-11-24 23:01:07,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:07,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:07,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:07,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:07,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:07" (1/1) ... [2023-11-24 23:01:07,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:07" (1/1) ... [2023-11-24 23:01:07,471 INFO L138 Inliner]: procedures = 282, calls = 351, calls flagged for inlining = 26, calls inlined = 40, statements flattened = 1749 [2023-11-24 23:01:07,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:07,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:07,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:07,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:07,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:07" (1/1) ... [2023-11-24 23:01:07,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:07" (1/1) ... [2023-11-24 23:01:07,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:07" (1/1) ... [2023-11-24 23:01:07,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:07" (1/1) ... [2023-11-24 23:01:07,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:07" (1/1) ... [2023-11-24 23:01:07,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:07" (1/1) ... [2023-11-24 23:01:07,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:07" (1/1) ... [2023-11-24 23:01:07,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:07" (1/1) ... [2023-11-24 23:01:07,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:07,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:07,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:07,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:07,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:07" (1/1) ... [2023-11-24 23:01:07,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:07,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:07,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:07,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f9a7bf-f463-4f2f-84b6-c251d14fa289/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:01:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:01:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:01:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:01:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:01:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:01:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:01:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:07,998 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:08,000 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:11,200 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:12,953 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:12,954 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-24 23:01:12,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:12 BoogieIcfgContainer [2023-11-24 23:01:12,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:12,957 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:12,958 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:12,968 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:12,968 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:12" (1/1) ... [2023-11-24 23:01:12,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:13,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:13,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1252 states and 1417 transitions. [2023-11-24 23:01:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1417 transitions. [2023-11-24 23:01:13,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:01:13,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:13,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:13,368 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 23:01:13,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1251 states and 1416 transitions. [2023-11-24 23:01:13,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1416 transitions. [2023-11-24 23:01:13,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:01:13,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:13,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:13,604 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 23:01:13,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:13,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1250 states and 1415 transitions. [2023-11-24 23:01:13,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1415 transitions. [2023-11-24 23:01:13,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:01:13,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:13,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:13,720 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 23:01:13,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1249 states and 1413 transitions. [2023-11-24 23:01:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1413 transitions. [2023-11-24 23:01:13,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:01:13,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:13,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:13,831 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 23:01:13,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:13,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1250 states and 1415 transitions. [2023-11-24 23:01:13,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1415 transitions. [2023-11-24 23:01:13,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:01:13,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:13,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:14,139 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 23:01:14,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:14,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1249 states and 1414 transitions. [2023-11-24 23:01:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1414 transitions. [2023-11-24 23:01:14,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:01:14,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:14,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:14,300 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 23:01:14,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1251 states and 1417 transitions. [2023-11-24 23:01:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1417 transitions. [2023-11-24 23:01:14,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:01:14,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:14,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:14,383 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 23:01:14,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:14,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1250 states and 1416 transitions. [2023-11-24 23:01:14,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1416 transitions. [2023-11-24 23:01:14,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:01:14,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:14,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:14,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:14,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1251 states and 1417 transitions. [2023-11-24 23:01:14,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1417 transitions. [2023-11-24 23:01:14,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:14,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:14,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:14,531 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 23:01:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:14,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1252 states and 1419 transitions. [2023-11-24 23:01:14,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1419 transitions. [2023-11-24 23:01:14,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:14,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:14,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:14,767 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 23:01:15,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:15,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1253 states and 1421 transitions. [2023-11-24 23:01:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1421 transitions. [2023-11-24 23:01:15,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:15,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:15,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:15,081 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 23:01:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1252 states and 1419 transitions. [2023-11-24 23:01:15,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1419 transitions. [2023-11-24 23:01:15,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:15,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:15,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:15,155 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 23:01:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:15,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1253 states and 1421 transitions. [2023-11-24 23:01:15,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1421 transitions. [2023-11-24 23:01:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:01:15,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:15,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:15,221 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 23:01:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:15,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1254 states and 1423 transitions. [2023-11-24 23:01:15,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1423 transitions. [2023-11-24 23:01:15,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:01:15,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:15,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:15,404 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 23:01:15,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:15,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1256 states and 1426 transitions. [2023-11-24 23:01:15,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1426 transitions. [2023-11-24 23:01:15,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:01:15,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:15,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:15,585 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 23:01:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:15,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1255 states and 1425 transitions. [2023-11-24 23:01:15,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1425 transitions. [2023-11-24 23:01:15,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:01:15,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:15,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:15,666 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 23:01:15,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:15,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1256 states and 1426 transitions. [2023-11-24 23:01:15,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1426 transitions. [2023-11-24 23:01:15,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:01:15,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:15,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:15,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:15,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1257 states and 1428 transitions. [2023-11-24 23:01:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1428 transitions. [2023-11-24 23:01:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:01:15,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:15,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:15,878 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 23:01:15,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:15,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1260 states and 1432 transitions. [2023-11-24 23:01:15,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1432 transitions. [2023-11-24 23:01:15,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:01:15,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:15,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:16,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:01:16,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:16,055 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 23:01:16,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:16,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1260 states and 1430 transitions. [2023-11-24 23:01:16,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1430 transitions. [2023-11-24 23:01:16,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:01:16,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:16,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:16,193 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 23:01:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:16,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1261 states and 1428 transitions. [2023-11-24 23:01:16,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1428 transitions. [2023-11-24 23:01:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:16,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:16,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:16,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:01:16,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:16,652 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 23:01:16,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:16,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1261 states and 1424 transitions. [2023-11-24 23:01:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1424 transitions. [2023-11-24 23:01:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:16,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:16,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:16,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:01:16,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:16,767 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 23:01:16,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:16,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1261 states and 1422 transitions. [2023-11-24 23:01:16,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1422 transitions. [2023-11-24 23:01:16,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:16,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:16,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:16,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:01:16,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:16,975 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 23:01:17,179 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 23:01:17,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:17,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1266 states and 1431 transitions. [2023-11-24 23:01:17,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1431 transitions. [2023-11-24 23:01:17,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:17,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:17,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:17,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:01:17,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:17,568 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 23:01:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1268 states and 1434 transitions. [2023-11-24 23:01:17,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1434 transitions. [2023-11-24 23:01:17,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:01:17,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:17,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:18,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:18,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:18,172 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 23:01:18,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:18,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1270 states and 1440 transitions. [2023-11-24 23:01:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1440 transitions. [2023-11-24 23:01:18,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:01:18,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:18,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:18,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:18,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:18,654 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 23:01:18,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:18,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1269 states and 1439 transitions. [2023-11-24 23:01:18,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1439 transitions. [2023-11-24 23:01:18,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:01:18,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:18,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:18,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:18,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:18,774 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 23:01:18,896 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 23:01:19,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:19,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1270 states and 1440 transitions. [2023-11-24 23:01:19,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1440 transitions. [2023-11-24 23:01:19,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:01:19,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:19,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:19,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:19,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:19,186 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 23:01:19,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:19,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1269 states and 1439 transitions. [2023-11-24 23:01:19,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1439 transitions. [2023-11-24 23:01:19,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:01:19,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:19,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:19,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:19,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:19,312 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 23:01:19,426 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 23:01:19,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:19,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1270 states and 1441 transitions. [2023-11-24 23:01:19,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1441 transitions. [2023-11-24 23:01:19,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:01:19,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:19,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:19,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:01:19,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:19,932 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 23:01:20,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:20,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1273 states and 1447 transitions. [2023-11-24 23:01:20,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1447 transitions. [2023-11-24 23:01:20,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:01:20,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:20,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:20,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:20,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:20,223 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 23:01:20,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:20,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1272 states and 1446 transitions. [2023-11-24 23:01:20,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1446 transitions. [2023-11-24 23:01:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:01:20,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:20,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:20,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:20,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:20,349 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 23:01:20,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:20,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:20,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1273 states and 1448 transitions. [2023-11-24 23:01:20,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1448 transitions. [2023-11-24 23:01:20,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:01:20,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:20,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:20,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:20,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:20,987 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 23:01:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:21,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1272 states and 1447 transitions. [2023-11-24 23:01:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1447 transitions. [2023-11-24 23:01:21,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:01:21,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:21,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:21,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:21,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:21,125 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 23:01:21,272 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 23:01:21,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:21,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1273 states and 1449 transitions. [2023-11-24 23:01:21,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1449 transitions. [2023-11-24 23:01:21,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:01:21,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:21,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:21,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:01:21,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:21,779 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 23:01:21,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:21,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1276 states and 1453 transitions. [2023-11-24 23:01:21,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1453 transitions. [2023-11-24 23:01:21,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:01:21,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:21,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:21,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:21,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:21,979 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 23:01:22,133 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 23:01:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1277 states and 1456 transitions. [2023-11-24 23:01:22,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1456 transitions. [2023-11-24 23:01:22,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:01:22,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:22,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:22,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:22,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:22,368 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 23:01:22,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1277 states and 1455 transitions. [2023-11-24 23:01:22,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1455 transitions. [2023-11-24 23:01:22,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:01:22,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:22,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:22,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:22,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:22,775 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 23:01:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1276 states and 1454 transitions. [2023-11-24 23:01:22,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1454 transitions. [2023-11-24 23:01:22,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:01:22,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:22,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:22,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:22,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:22,912 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 23:01:23,055 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 23:01:23,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:23,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1277 states and 1456 transitions. [2023-11-24 23:01:23,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1456 transitions. [2023-11-24 23:01:23,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:01:23,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:23,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:23,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:01:23,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:23,584 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 23:01:23,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:23,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1280 states and 1460 transitions. [2023-11-24 23:01:23,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1460 transitions. [2023-11-24 23:01:23,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:01:23,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:23,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:23,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:23,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:23,725 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 23:01:23,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:23,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1279 states and 1459 transitions. [2023-11-24 23:01:23,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1459 transitions. [2023-11-24 23:01:23,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:01:23,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:23,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:23,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:23,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:23,872 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 23:01:24,036 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 23:01:24,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:24,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1280 states and 1461 transitions. [2023-11-24 23:01:24,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1461 transitions. [2023-11-24 23:01:24,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:01:24,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:24,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:24,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:24,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:24,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:24,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1279 states and 1460 transitions. [2023-11-24 23:01:24,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1460 transitions. [2023-11-24 23:01:24,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:01:24,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:24,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:24,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:24,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:24,866 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 23:01:25,036 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 23:01:25,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:25,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1280 states and 1462 transitions. [2023-11-24 23:01:25,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1462 transitions. [2023-11-24 23:01:25,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:01:25,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:25,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:25,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:01:25,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:25,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:25,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:25,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1283 states and 1466 transitions. [2023-11-24 23:01:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1466 transitions. [2023-11-24 23:01:25,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:01:25,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:25,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:25,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:25,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:25,737 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 23:01:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1282 states and 1465 transitions. [2023-11-24 23:01:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1465 transitions. [2023-11-24 23:01:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:01:25,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:25,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:25,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:25,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:25,859 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 23:01:26,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1283 states and 1467 transitions. [2023-11-24 23:01:26,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1467 transitions. [2023-11-24 23:01:26,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:01:26,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:26,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:26,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:26,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:26,523 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 23:01:26,692 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 23:01:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:26,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1284 states and 1470 transitions. [2023-11-24 23:01:26,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1470 transitions. [2023-11-24 23:01:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:01:26,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:26,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:26,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:26,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:27,007 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 23:01:27,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1284 states and 1469 transitions. [2023-11-24 23:01:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1469 transitions. [2023-11-24 23:01:27,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:01:27,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:27,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:27,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:01:27,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:27,378 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 23:01:27,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1287 states and 1473 transitions. [2023-11-24 23:01:27,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1473 transitions. [2023-11-24 23:01:27,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:01:27,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:27,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:27,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:01:27,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:27,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:27,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:27,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1286 states and 1472 transitions. [2023-11-24 23:01:27,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1472 transitions. [2023-11-24 23:01:27,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:01:27,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:27,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:27,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:01:27,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:27,655 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 23:01:27,820 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 23:01:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:28,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1287 states and 1474 transitions. [2023-11-24 23:01:28,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1474 transitions. [2023-11-24 23:01:28,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:01:28,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:28,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:28,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:01:28,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:28,380 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 23:01:28,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:28,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1290 states and 1478 transitions. [2023-11-24 23:01:28,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1478 transitions. [2023-11-24 23:01:28,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:01:28,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:28,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:28,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:01:28,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:28,563 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 23:01:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1306 states and 1497 transitions. [2023-11-24 23:01:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1497 transitions. [2023-11-24 23:01:29,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:01:29,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:29,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:29,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:01:29,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:29,203 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 23:01:29,350 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 23:01:30,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:30,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1322 states and 1522 transitions. [2023-11-24 23:01:30,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1522 transitions. [2023-11-24 23:01:30,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:01:30,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:30,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:30,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:01:30,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:30,103 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 23:01:40,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:01:40,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:40,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1322 states and 1520 transitions. [2023-11-24 23:01:40,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1520 transitions. [2023-11-24 23:01:40,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:01:40,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:40,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:40,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:01:40,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:01:50,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []