./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d77a66e-79de-4eac-a889-f040e22af1fc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d77a66e-79de-4eac-a889-f040e22af1fc/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_0d77a66e-79de-4eac-a889-f040e22af1fc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d77a66e-79de-4eac-a889-f040e22af1fc/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d77a66e-79de-4eac-a889-f040e22af1fc/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_0d77a66e-79de-4eac-a889-f040e22af1fc/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 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:40,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:40,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d77a66e-79de-4eac-a889-f040e22af1fc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:08:40,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:40,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:40,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:40,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:40,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:40,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:40,677 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:08:40,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:40,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:08:40,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:40,681 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:08:40,682 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:08:40,682 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:08:40,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:40,683 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:40,684 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:08:40,684 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:40,685 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:40,685 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:40,687 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:40,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:40,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:40,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:40,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:40,690 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:40,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:40,691 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_0d77a66e-79de-4eac-a889-f040e22af1fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d77a66e-79de-4eac-a889-f040e22af1fc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a814f1cabb0a814aaaa0ad04ef0792a07c6fb7c73876a2da6ae85372115ff6c [2023-11-24 23:08:41,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:41,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:41,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:41,035 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:41,035 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:41,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d77a66e-79de-4eac-a889-f040e22af1fc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2023-11-24 23:08:44,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:44,606 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:44,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d77a66e-79de-4eac-a889-f040e22af1fc/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-1.i [2023-11-24 23:08:44,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d77a66e-79de-4eac-a889-f040e22af1fc/bin/ukojak-verify-afCqCEvfdi/data/d7f22ee58/34cb54aeed3142d28dd94975748794aa/FLAGf03d9bb87 [2023-11-24 23:08:44,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d77a66e-79de-4eac-a889-f040e22af1fc/bin/ukojak-verify-afCqCEvfdi/data/d7f22ee58/34cb54aeed3142d28dd94975748794aa [2023-11-24 23:08:44,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:44,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:44,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:44,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:44,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:44,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3462f834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:44, skipping insertion in model container [2023-11-24 23:08:44,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:45,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:45,398 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:45,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:45,626 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:45,634 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:45,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:45 WrapperNode [2023-11-24 23:08:45,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:45,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:45,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:45,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:45,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:45" (1/1) ... [2023-11-24 23:08:45,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:45" (1/1) ... [2023-11-24 23:08:45,787 INFO L138 Inliner]: procedures = 177, calls = 287, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 1422 [2023-11-24 23:08:45,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:45,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:45,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:45,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:45,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:45" (1/1) ... [2023-11-24 23:08:45,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:45" (1/1) ... [2023-11-24 23:08:45,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:45" (1/1) ... [2023-11-24 23:08:45,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:45" (1/1) ... [2023-11-24 23:08:45,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:45" (1/1) ... [2023-11-24 23:08:45,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:45" (1/1) ... [2023-11-24 23:08:45,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:45" (1/1) ... [2023-11-24 23:08:45,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:45" (1/1) ... [2023-11-24 23:08:45,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:45,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:45,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:45,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:45,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:45" (1/1) ... [2023-11-24 23:08:45,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:45,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d77a66e-79de-4eac-a889-f040e22af1fc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:45,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d77a66e-79de-4eac-a889-f040e22af1fc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:46,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d77a66e-79de-4eac-a889-f040e22af1fc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:08:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:08:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:08:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:08:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:08:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:08:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:08:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:08:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:08:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:46,296 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:46,298 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:49,164 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:50,589 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:50,589 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-24 23:08:50,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:50 BoogieIcfgContainer [2023-11-24 23:08:50,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:50,593 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:50,593 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:50,603 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:50,603 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:50" (1/1) ... [2023-11-24 23:08:50,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:50,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 990 states and 1123 transitions. [2023-11-24 23:08:50,715 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1123 transitions. [2023-11-24 23:08:50,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:08:50,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:50,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:50,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:50,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:50,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 989 states and 1122 transitions. [2023-11-24 23:08:50,997 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1122 transitions. [2023-11-24 23:08:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:08:50,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:50,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:51,087 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 23:08:51,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 988 states and 1121 transitions. [2023-11-24 23:08:51,163 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1121 transitions. [2023-11-24 23:08:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:08:51,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:51,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:51,240 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 23:08:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:51,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 987 states and 1119 transitions. [2023-11-24 23:08:51,275 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1119 transitions. [2023-11-24 23:08:51,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:08:51,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:51,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:51,447 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 23:08:51,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:51,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 988 states and 1121 transitions. [2023-11-24 23:08:51,576 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1121 transitions. [2023-11-24 23:08:51,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:08:51,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:51,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:51,667 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 23:08:51,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:51,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 987 states and 1120 transitions. [2023-11-24 23:08:51,697 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1120 transitions. [2023-11-24 23:08:51,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:08:51,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:51,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:51,847 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 23:08:51,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:51,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 989 states and 1123 transitions. [2023-11-24 23:08:51,916 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1123 transitions. [2023-11-24 23:08:51,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:08:51,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:51,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:51,973 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 23:08:51,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:51,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 988 states and 1122 transitions. [2023-11-24 23:08:51,995 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1122 transitions. [2023-11-24 23:08:51,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:08:51,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:51,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:52,047 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 23:08:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:52,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 989 states and 1123 transitions. [2023-11-24 23:08:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1123 transitions. [2023-11-24 23:08:52,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:52,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:52,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:52,156 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 23:08:52,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:52,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 990 states and 1125 transitions. [2023-11-24 23:08:52,305 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1125 transitions. [2023-11-24 23:08:52,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:52,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:52,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:52,415 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 23:08:52,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:52,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 991 states and 1127 transitions. [2023-11-24 23:08:52,704 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1127 transitions. [2023-11-24 23:08:52,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:52,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:52,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:52,738 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 23:08:52,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 990 states and 1125 transitions. [2023-11-24 23:08:52,763 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1125 transitions. [2023-11-24 23:08:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:52,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:52,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:52,804 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 23:08:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 991 states and 1127 transitions. [2023-11-24 23:08:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1127 transitions. [2023-11-24 23:08:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:08:52,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:52,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:52,876 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 23:08:53,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 993 states and 1131 transitions. [2023-11-24 23:08:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1131 transitions. [2023-11-24 23:08:53,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:08:53,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:53,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:53,099 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 23:08:53,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:53,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 994 states and 1132 transitions. [2023-11-24 23:08:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1132 transitions. [2023-11-24 23:08:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:08:53,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:53,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:53,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:53,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 993 states and 1131 transitions. [2023-11-24 23:08:53,297 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1131 transitions. [2023-11-24 23:08:53,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:08:53,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:53,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:53,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:53,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 994 states and 1132 transitions. [2023-11-24 23:08:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1132 transitions. [2023-11-24 23:08:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:08:53,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:53,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:53,392 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 23:08:53,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 995 states and 1134 transitions. [2023-11-24 23:08:53,433 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1134 transitions. [2023-11-24 23:08:53,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:08:53,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:53,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:53,494 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 23:08:53,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:53,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 998 states and 1138 transitions. [2023-11-24 23:08:53,537 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1138 transitions. [2023-11-24 23:08:53,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:08:53,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:53,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:53,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:54,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:54,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1000 states and 1141 transitions. [2023-11-24 23:08:54,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1141 transitions. [2023-11-24 23:08:54,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:08:54,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:54,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:54,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:08:54,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:54,109 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 23:08:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1000 states and 1139 transitions. [2023-11-24 23:08:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1139 transitions. [2023-11-24 23:08:54,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:08:54,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:54,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:54,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:08:54,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:54,199 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 23:08:54,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:54,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1000 states and 1135 transitions. [2023-11-24 23:08:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1135 transitions. [2023-11-24 23:08:54,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:08:54,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:54,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:54,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:08:54,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:54,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:54,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1000 states and 1133 transitions. [2023-11-24 23:08:54,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1133 transitions. [2023-11-24 23:08:54,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:08:54,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:54,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:54,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:08:54,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:54,437 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 23:08:54,549 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 23:08:54,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:54,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1002 states and 1137 transitions. [2023-11-24 23:08:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1137 transitions. [2023-11-24 23:08:54,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:08:54,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:54,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:54,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:08:54,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:54,728 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 23:08:54,909 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 23:08:55,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:55,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1007 states and 1145 transitions. [2023-11-24 23:08:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1145 transitions. [2023-11-24 23:08:55,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:08:55,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:55,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:55,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:08:55,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:55,476 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 23:08:55,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:55,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1006 states and 1144 transitions. [2023-11-24 23:08:55,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1144 transitions. [2023-11-24 23:08:55,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:08:55,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:55,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:55,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:08:55,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:55,601 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 23:08:55,756 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 23:08:55,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:55,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1007 states and 1145 transitions. [2023-11-24 23:08:55,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1145 transitions. [2023-11-24 23:08:55,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:08:55,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:55,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:55,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:08:55,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:56,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:56,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1009 states and 1151 transitions. [2023-11-24 23:08:56,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1151 transitions. [2023-11-24 23:08:56,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:08:56,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:56,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:56,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:08:56,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:56,509 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 23:08:56,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:56,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1008 states and 1150 transitions. [2023-11-24 23:08:56,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1150 transitions. [2023-11-24 23:08:56,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:08:56,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:56,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:56,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:08:56,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:56,662 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 23:08:56,783 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 23:08:57,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:57,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1009 states and 1152 transitions. [2023-11-24 23:08:57,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1152 transitions. [2023-11-24 23:08:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:08:57,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:57,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:57,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:08:57,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:57,186 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 23:08:57,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:57,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1008 states and 1151 transitions. [2023-11-24 23:08:57,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1151 transitions. [2023-11-24 23:08:57,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:08:57,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:57,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:57,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:08:57,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:57,300 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 23:08:57,432 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 23:08:57,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:57,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1009 states and 1153 transitions. [2023-11-24 23:08:57,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1153 transitions. [2023-11-24 23:08:57,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:08:57,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:57,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:57,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:08:57,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:57,918 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 23:08:58,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1012 states and 1159 transitions. [2023-11-24 23:08:58,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1159 transitions. [2023-11-24 23:08:58,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:08:58,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:58,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:58,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:08:58,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:58,206 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 23:08:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:58,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1011 states and 1158 transitions. [2023-11-24 23:08:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1158 transitions. [2023-11-24 23:08:58,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:08:58,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:58,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:58,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:08:58,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:58,369 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 23:08:58,506 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 23:08:58,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:58,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1012 states and 1160 transitions. [2023-11-24 23:08:58,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1160 transitions. [2023-11-24 23:08:58,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:08:58,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:58,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:59,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:08:59,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:59,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:59,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1011 states and 1159 transitions. [2023-11-24 23:08:59,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1159 transitions. [2023-11-24 23:08:59,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:08:59,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:59,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:59,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:08:59,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:59,209 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 23:08:59,359 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 23:08:59,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:59,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1012 states and 1161 transitions. [2023-11-24 23:08:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1161 transitions. [2023-11-24 23:08:59,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:08:59,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:59,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:59,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:08:59,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:59,844 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 23:08:59,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:59,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1015 states and 1165 transitions. [2023-11-24 23:08:59,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1165 transitions. [2023-11-24 23:08:59,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:08:59,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:59,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:59,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:08:59,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:59,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:59,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:59,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1014 states and 1164 transitions. [2023-11-24 23:08:59,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1164 transitions. [2023-11-24 23:08:59,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:08:59,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:59,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:00,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:09:00,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:00,096 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 23:09:00,250 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 23:09:00,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:00,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1015 states and 1166 transitions. [2023-11-24 23:09:00,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1166 transitions. [2023-11-24 23:09:00,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:09:00,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:00,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:00,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:00,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:00,764 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 23:09:00,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:00,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1014 states and 1165 transitions. [2023-11-24 23:09:00,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1165 transitions. [2023-11-24 23:09:00,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:09:00,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:00,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:00,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:09:00,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:00,919 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 23:09:01,074 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 23:09:01,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:01,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1015 states and 1167 transitions. [2023-11-24 23:09:01,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1167 transitions. [2023-11-24 23:09:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:09:01,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:01,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:01,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:01,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:01,655 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 23:09:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:01,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1018 states and 1171 transitions. [2023-11-24 23:09:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1171 transitions. [2023-11-24 23:09:01,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:09:01,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:01,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:01,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:01,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:01,786 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 23:09:01,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:01,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1017 states and 1170 transitions. [2023-11-24 23:09:01,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1170 transitions. [2023-11-24 23:09:01,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:09:01,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:01,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:01,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:09:01,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:01,936 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 23:09:02,098 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 23:09:02,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:02,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1018 states and 1172 transitions. [2023-11-24 23:09:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1172 transitions. [2023-11-24 23:09:02,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:02,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:02,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:02,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:02,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:02,636 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 23:09:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:02,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1017 states and 1171 transitions. [2023-11-24 23:09:02,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1171 transitions. [2023-11-24 23:09:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:02,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:02,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:02,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:09:02,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:02,781 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 23:09:02,994 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 23:09:03,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:03,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1018 states and 1173 transitions. [2023-11-24 23:09:03,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1173 transitions. [2023-11-24 23:09:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:03,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:03,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:03,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:03,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:03,622 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 23:09:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:03,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1021 states and 1177 transitions. [2023-11-24 23:09:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1177 transitions. [2023-11-24 23:09:03,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:09:03,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:03,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:03,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:03,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:03,800 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 23:09:03,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1020 states and 1176 transitions. [2023-11-24 23:09:03,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1176 transitions. [2023-11-24 23:09:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:09:03,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:03,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:03,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:09:03,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:03,934 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 23:09:04,133 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 23:09:04,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1021 states and 1178 transitions. [2023-11-24 23:09:04,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1178 transitions. [2023-11-24 23:09:04,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:09:04,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:04,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:04,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:04,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:04,794 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 23:09:04,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:04,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1020 states and 1177 transitions. [2023-11-24 23:09:04,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1177 transitions. [2023-11-24 23:09:04,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:09:04,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:04,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:04,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:09:04,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:04,949 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 23:09:05,164 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 23:09:05,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:05,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1021 states and 1179 transitions. [2023-11-24 23:09:05,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1179 transitions. [2023-11-24 23:09:05,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:09:05,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:05,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:05,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:05,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:05,867 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 23:09:05,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1024 states and 1183 transitions. [2023-11-24 23:09:05,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1183 transitions. [2023-11-24 23:09:05,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:09:05,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:05,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:06,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:06,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:06,035 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 23:09:06,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:06,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1027 states and 1187 transitions. [2023-11-24 23:09:06,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1187 transitions. [2023-11-24 23:09:06,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:09:06,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:06,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:06,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:09:06,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:06,190 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 23:09:16,219 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 23:09:16,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:16,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1027 states and 1185 transitions. [2023-11-24 23:09:16,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1185 transitions. [2023-11-24 23:09:16,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:09:16,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:16,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:16,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:09:16,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:16,350 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 23:09:16,393 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 23:09:16,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:16,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1043 states and 1203 transitions. [2023-11-24 23:09:16,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1203 transitions. [2023-11-24 23:09:16,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:09:16,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:16,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:17,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:09:17,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:17,048 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 23:09:17,161 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 23:09:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:17,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1059 states and 1228 transitions. [2023-11-24 23:09:17,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1228 transitions. [2023-11-24 23:09:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:09:17,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:17,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:18,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:09:18,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:18,159 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 23:09:28,184 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 [] [2023-11-24 23:09:38,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []