./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array24_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_43fbaf6d-65ec-4d67-acef-49282602e799/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fbaf6d-65ec-4d67-acef-49282602e799/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_43fbaf6d-65ec-4d67-acef-49282602e799/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fbaf6d-65ec-4d67-acef-49282602e799/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array24_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fbaf6d-65ec-4d67-acef-49282602e799/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_43fbaf6d-65ec-4d67-acef-49282602e799/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 b41c571dabcbc4670dde65107f8da5b879f13435b678b4e9a9cdcc7ef0066cf6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:52:11,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:11,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fbaf6d-65ec-4d67-acef-49282602e799/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:52:11,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:52:11,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:52:11,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:11,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:11,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:11,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:11,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:11,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:11,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:11,548 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:52:11,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:52:11,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:52:11,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:11,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:11,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:11,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:11,553 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:52:11,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:11,554 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:11,555 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:11,556 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:11,556 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:11,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:11,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:11,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:11,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:11,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:11,560 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:52:11,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:52:11,562 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:11,562 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_43fbaf6d-65ec-4d67-acef-49282602e799/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fbaf6d-65ec-4d67-acef-49282602e799/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b41c571dabcbc4670dde65107f8da5b879f13435b678b4e9a9cdcc7ef0066cf6 [2023-11-21 18:52:11,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:12,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:12,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:12,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:12,020 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:12,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fbaf6d-65ec-4d67-acef-49282602e799/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-patterns/array24_pattern.c [2023-11-21 18:52:15,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:15,535 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:15,536 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fbaf6d-65ec-4d67-acef-49282602e799/sv-benchmarks/c/array-patterns/array24_pattern.c [2023-11-21 18:52:15,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fbaf6d-65ec-4d67-acef-49282602e799/bin/ukojak-verify-i0I2FZA1j2/data/c1bb18622/1c1fd17f9ea84af492d373cc954dfd90/FLAGc11eff612 [2023-11-21 18:52:15,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fbaf6d-65ec-4d67-acef-49282602e799/bin/ukojak-verify-i0I2FZA1j2/data/c1bb18622/1c1fd17f9ea84af492d373cc954dfd90 [2023-11-21 18:52:15,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:15,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:15,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:15,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:15,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:15,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:15" (1/1) ... [2023-11-21 18:52:15,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dac405d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:15, skipping insertion in model container [2023-11-21 18:52:15,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:15" (1/1) ... [2023-11-21 18:52:15,619 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:15,782 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_43fbaf6d-65ec-4d67-acef-49282602e799/sv-benchmarks/c/array-patterns/array24_pattern.c[1359,1372] [2023-11-21 18:52:15,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:15,824 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:15,840 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_43fbaf6d-65ec-4d67-acef-49282602e799/sv-benchmarks/c/array-patterns/array24_pattern.c[1359,1372] [2023-11-21 18:52:15,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:15,874 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:15,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:15 WrapperNode [2023-11-21 18:52:15,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:15,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:15,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:15,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:15,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:15" (1/1) ... [2023-11-21 18:52:15,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:15" (1/1) ... [2023-11-21 18:52:15,920 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2023-11-21 18:52:15,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:15,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:15,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:15,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:15,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:15" (1/1) ... [2023-11-21 18:52:15,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:15" (1/1) ... [2023-11-21 18:52:15,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:15" (1/1) ... [2023-11-21 18:52:15,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:15" (1/1) ... [2023-11-21 18:52:15,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:15" (1/1) ... [2023-11-21 18:52:15,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:15" (1/1) ... [2023-11-21 18:52:15,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:15" (1/1) ... [2023-11-21 18:52:15,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:15" (1/1) ... [2023-11-21 18:52:15,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:15,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:15,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:15,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:15,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:15" (1/1) ... [2023-11-21 18:52:15,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:15,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fbaf6d-65ec-4d67-acef-49282602e799/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:15,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fbaf6d-65ec-4d67-acef-49282602e799/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:15,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fbaf6d-65ec-4d67-acef-49282602e799/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2023-11-21 18:52:16,031 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2023-11-21 18:52:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:52:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:52:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:52:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:52:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:52:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:52:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:52:16,116 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:16,119 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:16,378 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:52:16,479 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:52:16,479 INFO L308 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-21 18:52:16,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:16 BoogieIcfgContainer [2023-11-21 18:52:16,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:52:16,483 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:52:16,483 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:52:16,496 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:52:16,496 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:16" (1/1) ... [2023-11-21 18:52:16,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:52:16,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:16,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-11-21 18:52:16,567 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-11-21 18:52:16,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:52:16,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:16,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:16,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:16,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:16,740 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 18:52:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:16,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2023-11-21 18:52:16,774 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2023-11-21 18:52:16,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:52:16,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:16,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:16,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:52:16,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:17,003 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 18:52:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:17,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-21 18:52:17,131 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-21 18:52:17,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:52:17,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:17,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:17,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:52:17,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:17,343 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 18:52:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-21 18:52:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-21 18:52:17,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:52:17,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:17,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:17,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:52:17,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:17,559 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 18:52:17,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:17,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-21 18:52:17,573 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-21 18:52:17,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:52:17,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:17,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:17,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:52:17,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:17,695 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 18:52:17,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:17,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2023-11-21 18:52:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-11-21 18:52:17,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:52:17,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:17,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:17,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:17,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:18,020 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 18:52:18,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:18,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-11-21 18:52:18,242 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-11-21 18:52:18,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:52:18,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:18,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:18,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:18,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:18,435 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 18:52:18,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:18,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 61 transitions. [2023-11-21 18:52:18,687 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-11-21 18:52:18,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:52:18,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:18,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:18,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:18,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:18,824 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 18:52:18,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:18,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 64 transitions. [2023-11-21 18:52:18,886 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2023-11-21 18:52:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:52:18,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:18,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:18,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:52:18,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:19,042 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 18:52:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:19,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 67 transitions. [2023-11-21 18:52:19,358 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2023-11-21 18:52:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:52:19,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:19,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:19,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:52:19,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:19,532 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 18:52:20,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 73 transitions. [2023-11-21 18:52:20,280 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-11-21 18:52:20,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:52:20,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:20,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:20,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:52:20,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:20,460 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 18:52:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:21,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 86 transitions. [2023-11-21 18:52:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2023-11-21 18:52:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:52:21,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:21,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:21,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:52:21,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:21,346 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 18:52:21,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 58 transitions. [2023-11-21 18:52:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2023-11-21 18:52:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:52:21,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:21,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:21,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:52:21,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:21,539 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 18:52:22,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:22,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 64 transitions. [2023-11-21 18:52:22,019 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-11-21 18:52:22,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:52:22,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:22,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:22,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-21 18:52:22,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:22,820 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 18:52:22,927 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 18:52:23,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:52:23,258 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 18:52:23,430 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:52:23,436 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 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-21 18:52:24,949 INFO L349 Elim1Store]: treesize reduction 144, result has 16.8 percent of original size [2023-11-21 18:52:24,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 56 treesize of output 54 [2023-11-21 18:52:25,919 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:52:32,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 76 states and 120 transitions. [2023-11-21 18:52:32,846 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2023-11-21 18:52:32,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:52:32,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:32,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:32,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:52:32,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:33,371 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 18:52:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 81 states and 132 transitions. [2023-11-21 18:52:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 132 transitions. [2023-11-21 18:52:35,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:52:35,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:35,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:35,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:52:35,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:36,197 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 18:52:38,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 86 states and 139 transitions. [2023-11-21 18:52:38,363 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 139 transitions. [2023-11-21 18:52:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:52:38,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:38,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:38,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:52:38,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:39,715 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:52:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:43,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 138 transitions. [2023-11-21 18:52:43,242 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 138 transitions. [2023-11-21 18:52:43,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:52:43,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:43,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:43,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:52:43,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:43,355 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 18:52:44,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:44,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 89 states and 141 transitions. [2023-11-21 18:52:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2023-11-21 18:52:44,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:52:44,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:44,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:44,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:52:44,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:44,671 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 18:52:45,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 82 states and 124 transitions. [2023-11-21 18:52:45,111 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2023-11-21 18:52:45,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:52:45,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:45,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:45,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:52:45,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:45,246 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 18:52:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 97 states and 148 transitions. [2023-11-21 18:52:49,505 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 148 transitions. [2023-11-21 18:52:49,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:52:49,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:49,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:49,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:52:49,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:49,642 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 18:52:51,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 102 states and 154 transitions. [2023-11-21 18:52:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2023-11-21 18:52:51,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:52:51,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:51,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:52,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:52:52,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:52,138 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 18:52:53,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 107 states and 161 transitions. [2023-11-21 18:52:53,215 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 161 transitions. [2023-11-21 18:52:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:52:53,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:53,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:53,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:52:53,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:53,361 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 18:52:53,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:53,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 89 states and 123 transitions. [2023-11-21 18:52:53,872 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 123 transitions. [2023-11-21 18:52:53,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:52:53,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:53,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:56,212 WARN L260 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 147 conjunts are in the unsatisfiable core [2023-11-21 18:52:56,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:56,589 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 18:52:56,764 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 18:52:56,964 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:52:56,965 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 18:52:57,522 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:52:57,522 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 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-21 18:52:57,730 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:52:57,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 48 [2023-11-21 18:52:57,957 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:52:57,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 58 [2023-11-21 18:52:58,677 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:52:58,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 54 treesize of output 68 [2023-11-21 18:52:58,947 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:52:58,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 61 treesize of output 78 [2023-11-21 18:52:59,207 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:52:59,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 68 treesize of output 88 [2023-11-21 18:53:04,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:53:04,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:53:04,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:53:04,196 INFO L349 Elim1Store]: treesize reduction 216, result has 16.6 percent of original size [2023-11-21 18:53:04,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 39 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 51 case distinctions, treesize of input 91 treesize of output 104