./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array21_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array21_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2 --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 f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:02,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:03,014 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:36:03,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:36:03,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:36:03,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:03,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:03,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:03,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:03,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:03,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:03,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:03,079 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:36:03,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:36:03,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:36:03,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:03,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:03,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:03,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:03,083 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:36:03,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:03,084 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:03,085 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:03,085 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:03,085 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:03,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:03,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:03,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:03,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:03,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:03,089 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:36:03,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:36:03,089 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:03,089 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_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 [2023-11-21 18:36:03,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:03,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:03,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:03,434 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:03,435 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:03,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-patterns/array21_pattern.c [2023-11-21 18:36:06,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:06,807 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:06,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11c4273-c5a9-4bed-bb3a-57b086042c21/sv-benchmarks/c/array-patterns/array21_pattern.c [2023-11-21 18:36:06,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2/data/13d4756c3/a07a1d7e7e074d7eb15c22a61bfc83c1/FLAG290e8dd40 [2023-11-21 18:36:07,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2/data/13d4756c3/a07a1d7e7e074d7eb15c22a61bfc83c1 [2023-11-21 18:36:07,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:07,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:07,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:07,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:07,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:07,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:07" (1/1) ... [2023-11-21 18:36:07,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7d9646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:07, skipping insertion in model container [2023-11-21 18:36:07,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:07" (1/1) ... [2023-11-21 18:36:07,197 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:07,377 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_d11c4273-c5a9-4bed-bb3a-57b086042c21/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2023-11-21 18:36:07,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:07,414 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:07,427 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_d11c4273-c5a9-4bed-bb3a-57b086042c21/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2023-11-21 18:36:07,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:07,456 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:07,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:07 WrapperNode [2023-11-21 18:36:07,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:07,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:07,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:07,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:07,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:07" (1/1) ... [2023-11-21 18:36:07,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:07" (1/1) ... [2023-11-21 18:36:07,497 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2023-11-21 18:36:07,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:07,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:07,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:07,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:07,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:07" (1/1) ... [2023-11-21 18:36:07,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:07" (1/1) ... [2023-11-21 18:36:07,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:07" (1/1) ... [2023-11-21 18:36:07,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:07" (1/1) ... [2023-11-21 18:36:07,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:07" (1/1) ... [2023-11-21 18:36:07,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:07" (1/1) ... [2023-11-21 18:36:07,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:07" (1/1) ... [2023-11-21 18:36:07,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:07" (1/1) ... [2023-11-21 18:36:07,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:07,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:07,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:07,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:07,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:07" (1/1) ... [2023-11-21 18:36:07,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:07,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:07,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:07,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d11c4273-c5a9-4bed-bb3a-57b086042c21/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2023-11-21 18:36:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2023-11-21 18:36:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:36:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:36:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:36:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:36:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:36:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:36:07,699 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:07,701 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:07,902 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:07,977 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:07,978 INFO L308 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-21 18:36:07,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:07 BoogieIcfgContainer [2023-11-21 18:36:07,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:07,981 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:07,981 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:07,992 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:07,992 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:07" (1/1) ... [2023-11-21 18:36:08,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:36:08,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-11-21 18:36:08,099 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-11-21 18:36:08,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:36:08,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:08,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2023-11-21 18:36:08,349 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2023-11-21 18:36:08,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:36:08,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:36:08,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-21 18:36:08,571 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-21 18:36:08,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:36:08,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:36:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-21 18:36:08,749 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-21 18:36:08,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:36:08,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:09,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2023-11-21 18:36:09,059 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-11-21 18:36:09,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:36:09,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:09,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:09,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:09,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:09,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-11-21 18:36:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-11-21 18:36:09,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:36:09,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:09,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:09,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:09,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:36:09,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 61 transitions. [2023-11-21 18:36:09,719 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-11-21 18:36:09,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:36:09,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:09,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:09,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:09,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:36:09,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:09,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 64 transitions. [2023-11-21 18:36:09,926 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2023-11-21 18:36:09,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:36:09,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:09,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:10,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:10,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:10,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:10,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 67 transitions. [2023-11-21 18:36:10,350 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2023-11-21 18:36:10,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:10,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:10,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:10,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:10,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:10,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:11,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:11,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 73 transitions. [2023-11-21 18:36:11,177 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-11-21 18:36:11,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:36:11,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:11,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:11,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:11,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:36:12,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:12,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 86 transitions. [2023-11-21 18:36:12,170 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2023-11-21 18:36:12,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:36:12,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:12,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:12,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:12,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 18:36:12,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:12,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 58 transitions. [2023-11-21 18:36:12,322 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2023-11-21 18:36:12,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:36:12,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:12,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:12,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:12,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:36:12,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:12,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 64 transitions. [2023-11-21 18:36:12,863 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-11-21 18:36:12,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:36:12,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:12,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-21 18:36:13,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:13,611 INFO L378 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 [2023-11-21 18:36:13,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-21 18:36:14,005 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:36:14,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-21 18:36:14,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2023-11-21 18:36:15,560 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2023-11-21 18:36:15,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 86 [2023-11-21 18:36:17,891 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:36:17,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 124 treesize of output 56 [2023-11-21 18:36:18,030 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:28,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:28,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 76 states and 121 transitions. [2023-11-21 18:36:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 121 transitions. [2023-11-21 18:36:28,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:36:28,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:28,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:28,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:28,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:31,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:31,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 81 states and 133 transitions. [2023-11-21 18:36:31,547 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 133 transitions. [2023-11-21 18:36:31,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:36:31,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:31,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:31,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:31,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:36:34,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 86 states and 140 transitions. [2023-11-21 18:36:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 140 transitions. [2023-11-21 18:36:34,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:36:34,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:34,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:34,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 18:36:34,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 18:36:38,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:38,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 86 states and 139 transitions. [2023-11-21 18:36:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 139 transitions. [2023-11-21 18:36:38,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:36:38,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:38,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:38,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:38,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:40,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 89 states and 142 transitions. [2023-11-21 18:36:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2023-11-21 18:36:40,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:36:40,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:40,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:40,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:40,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:40,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 82 states and 125 transitions. [2023-11-21 18:36:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2023-11-21 18:36:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:36:40,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:40,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:40,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:40,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-21 18:36:47,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:47,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 95 states and 146 transitions. [2023-11-21 18:36:47,156 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2023-11-21 18:36:47,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:36:47,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:47,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:47,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:47,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:47,291 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:36:50,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 102 states and 155 transitions. [2023-11-21 18:36:50,819 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2023-11-21 18:36:50,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:36:50,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:50,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:50,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:50,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 10 proven. 46 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-11-21 18:36:51,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:51,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 107 states and 162 transitions. [2023-11-21 18:36:51,982 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 162 transitions. [2023-11-21 18:36:51,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:36:51,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:51,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:52,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:36:52,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:52,131 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-21 18:36:52,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:52,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 109 states and 162 transitions. [2023-11-21 18:36:52,365 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 162 transitions. [2023-11-21 18:36:52,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:36:52,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:52,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:52,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-21 18:36:52,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:52,905 INFO L378 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 [2023-11-21 18:36:53,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-21 18:36:53,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-21 18:36:53,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2023-11-21 18:36:56,258 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2023-11-21 18:36:56,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 86