./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array28_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array28_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b49bb3ea989868d96c18ff859c95dc74ebb805f64994c11617c2c5b61c8e87f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:02:51,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:02:51,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-12 00:02:51,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:02:51,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:02:51,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:02:51,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:02:51,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:02:51,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:02:51,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:02:51,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:02:51,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:02:51,915 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:02:51,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:02:51,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:02:51,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:02:51,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:02:51,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:02:51,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:02:51,919 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:02:51,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:02:51,920 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:02:51,921 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:02:51,921 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:02:51,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:02:51,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:51,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:02:51,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:02:51,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:02:51,924 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:02:51,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:02:51,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:02:51,925 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_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b49bb3ea989868d96c18ff859c95dc74ebb805f64994c11617c2c5b61c8e87f [2023-11-12 00:02:52,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:02:52,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:02:52,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:02:52,284 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:02:52,285 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:02:52,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-patterns/array28_pattern.c [2023-11-12 00:02:55,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:02:55,676 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:02:55,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/sv-benchmarks/c/array-patterns/array28_pattern.c [2023-11-12 00:02:55,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV/data/750bd88f7/aec34fbf1cc0448c8d96be3414a84e87/FLAG645a5e07b [2023-11-12 00:02:56,054 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV/data/750bd88f7/aec34fbf1cc0448c8d96be3414a84e87 [2023-11-12 00:02:56,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:02:56,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:02:56,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:56,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:02:56,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:02:56,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb28b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56, skipping insertion in model container [2023-11-12 00:02:56,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,113 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:02:56,254 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/sv-benchmarks/c/array-patterns/array28_pattern.c[1246,1259] [2023-11-12 00:02:56,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:56,282 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:02:56,292 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/sv-benchmarks/c/array-patterns/array28_pattern.c[1246,1259] [2023-11-12 00:02:56,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:56,316 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:02:56,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56 WrapperNode [2023-11-12 00:02:56,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:56,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:56,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:02:56,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:02:56,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,355 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-11-12 00:02:56,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:56,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:02:56,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:02:56,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:02:56,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:02:56,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:02:56,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:02:56,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:02:56,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:56,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:02:56,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:02:56,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df1e439-af27-4e89-8785-76a87042c60c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:02:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:02:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:02:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:02:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:02:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:02:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:02:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:02:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:02:56,588 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:02:56,590 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:02:56,837 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:02:56,915 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:02:56,915 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:02:56,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:56 BoogieIcfgContainer [2023-11-12 00:02:56,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:02:56,919 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:02:56,919 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:02:56,931 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:02:56,932 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:56" (1/1) ... [2023-11-12 00:02:56,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:02:57,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2023-11-12 00:02:57,055 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2023-11-12 00:02:57,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:02:57,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:57,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:57,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:02:57,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:57,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:57,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-12 00:02:57,293 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-12 00:02:57,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:02:57,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:57,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:57,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:02:57,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:57,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:57,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-12 00:02:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-12 00:02:57,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:02:57,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:57,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:57,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:02:57,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:02:57,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:57,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2023-11-12 00:02:57,782 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2023-11-12 00:02:57,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:02:57,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:57,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:57,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:02:57,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:02:57,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:57,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2023-11-12 00:02:57,916 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2023-11-12 00:02:57,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:02:57,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:57,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:57,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-12 00:02:57,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:58,135 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2023-11-12 00:02:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2023-11-12 00:02:59,512 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2023-11-12 00:02:59,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:02:59,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:59,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:59,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:02:59,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:59,746 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 28 states and 60 transitions. [2023-11-12 00:03:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 60 transitions. [2023-11-12 00:03:00,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:03:00,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:00,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:00,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:00,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:03:02,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 31 states and 68 transitions. [2023-11-12 00:03:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 68 transitions. [2023-11-12 00:03:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:02,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:02,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:02,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:02,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:02,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 32 states and 70 transitions. [2023-11-12 00:03:02,806 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 70 transitions. [2023-11-12 00:03:02,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:02,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:02,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:02,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:02,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:02,867 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:03,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:03,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 33 states and 72 transitions. [2023-11-12 00:03:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 72 transitions. [2023-11-12 00:03:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:03,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:03,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:03,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:03,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:03,352 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:03:03,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:03,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 34 states and 73 transitions. [2023-11-12 00:03:03,867 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 73 transitions. [2023-11-12 00:03:03,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:03:03,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:03,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:03,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:03,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:04,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:04,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 36 states and 80 transitions. [2023-11-12 00:03:04,942 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 80 transitions. [2023-11-12 00:03:04,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:03:04,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:04,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:04,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:04,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:05,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 37 states and 81 transitions. [2023-11-12 00:03:05,355 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 81 transitions. [2023-11-12 00:03:05,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:03:05,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:05,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:05,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:05,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:03:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 42 states and 90 transitions. [2023-11-12 00:03:06,973 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 90 transitions. [2023-11-12 00:03:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:03:06,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:06,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:07,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:07,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-12 00:03:08,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 46 states and 102 transitions. [2023-11-12 00:03:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 102 transitions. [2023-11-12 00:03:08,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:03:08,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:08,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:08,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:08,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-12 00:03:08,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:08,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 47 states and 102 transitions. [2023-11-12 00:03:08,768 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 102 transitions. [2023-11-12 00:03:08,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:03:08,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:08,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:08,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:08,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:08,922 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:03:09,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:09,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 48 states and 102 transitions. [2023-11-12 00:03:09,248 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 102 transitions. [2023-11-12 00:03:09,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:03:09,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:09,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:09,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:09,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:03:09,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:09,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 49 states and 104 transitions. [2023-11-12 00:03:09,662 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 104 transitions. [2023-11-12 00:03:09,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:03:09,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:09,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:09,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:03:09,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:10,005 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:03:11,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:11,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 53 states and 114 transitions. [2023-11-12 00:03:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 114 transitions. [2023-11-12 00:03:11,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:03:11,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:11,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:11,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:03:11,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:11,649 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:03:11,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:11,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 54 states and 115 transitions. [2023-11-12 00:03:11,985 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 115 transitions. [2023-11-12 00:03:11,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:03:11,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:11,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:12,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:03:12,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:03:14,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:14,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 57 states and 124 transitions. [2023-11-12 00:03:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 124 transitions. [2023-11-12 00:03:14,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:03:14,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:14,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:14,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:14,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 00:03:14,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:14,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 58 states and 126 transitions. [2023-11-12 00:03:14,513 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 126 transitions. [2023-11-12 00:03:14,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:03:14,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:14,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:14,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:03:14,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-12 00:03:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:15,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 53 states and 111 transitions. [2023-11-12 00:03:15,183 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 111 transitions. [2023-11-12 00:03:15,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:03:15,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:15,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:15,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-12 00:03:15,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:15,641 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2023-11-12 00:03:15,778 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 22 [2023-11-12 00:03:16,329 INFO L322 Elim1Store]: treesize reduction 30, result has 41.2 percent of original size [2023-11-12 00:03:16,329 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 40 [2023-11-12 00:03:16,574 INFO L322 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2023-11-12 00:03:16,575 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 51 [2023-11-12 00:03:18,230 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 68 states and 146 transitions. [2023-11-12 00:03:26,864 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 146 transitions. [2023-11-12 00:03:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:03:26,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:26,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:27,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-12 00:03:27,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:27,365 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2023-11-12 00:03:27,539 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 22 [2023-11-12 00:03:28,123 INFO L322 Elim1Store]: treesize reduction 30, result has 41.2 percent of original size [2023-11-12 00:03:28,123 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 40 [2023-11-12 00:03:28,367 INFO L322 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2023-11-12 00:03:28,369 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 51 [2023-11-12 00:03:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:33,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:33,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 69 states and 148 transitions. [2023-11-12 00:03:33,299 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 148 transitions. [2023-11-12 00:03:33,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:03:33,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:33,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:33,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:03:33,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-12 00:03:34,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:34,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 71 states and 150 transitions. [2023-11-12 00:03:34,574 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 150 transitions. [2023-11-12 00:03:34,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:03:34,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:34,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:34,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:03:34,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-12 00:03:35,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2023-11-12 00:03:35,159 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2023-11-12 00:03:35,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:03:35,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:35,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:35,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:03:35,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-12 00:03:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 81 states and 165 transitions. [2023-11-12 00:03:41,938 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 165 transitions. [2023-11-12 00:03:41,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:03:41,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:41,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:41,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:03:41,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:42,772 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-12 00:03:46,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:46,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 86 states and 176 transitions. [2023-11-12 00:03:46,303 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 176 transitions. [2023-11-12 00:03:46,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:03:46,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:46,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:46,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:03:46,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:46,407 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-12 00:03:48,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 90 states and 182 transitions. [2023-11-12 00:03:48,757 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 182 transitions. [2023-11-12 00:03:48,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-12 00:03:48,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:48,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:48,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:03:48,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:48,879 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-12 00:03:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:49,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 91 states and 183 transitions. [2023-11-12 00:03:49,626 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 183 transitions. [2023-11-12 00:03:49,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 00:03:49,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:49,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:49,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:03:49,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 35 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-12 00:03:50,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:50,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 92 states and 184 transitions. [2023-11-12 00:03:50,848 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 184 transitions. [2023-11-12 00:03:50,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:03:50,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:50,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:50,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:03:50,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.