./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL --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 97e6e3d13746c4e22bbbdf0b6c24dfd54006258f6e92602d0c646bb6642564ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:31,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:31,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:13:31,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:13:31,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:13:31,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:31,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:31,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:31,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:31,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:31,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:31,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:31,655 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:13:31,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:13:31,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:13:31,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:31,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:31,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:31,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:31,661 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:13:31,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:31,663 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:31,663 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:31,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:31,665 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:31,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:31,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:31,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:31,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:31,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:31,669 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:13:31,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:13:31,671 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:31,672 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_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97e6e3d13746c4e22bbbdf0b6c24dfd54006258f6e92602d0c646bb6642564ab [2023-11-19 03:13:31,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:31,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:31,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:32,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:32,001 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:32,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i [2023-11-19 03:13:35,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:35,524 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:35,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42229613-4999-4d68-a58e-046ebc6daf23/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i [2023-11-19 03:13:35,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL/data/6d391ef36/2ef40183361f48c3a737b908501320be/FLAG14c3321f1 [2023-11-19 03:13:35,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL/data/6d391ef36/2ef40183361f48c3a737b908501320be [2023-11-19 03:13:35,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:35,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:35,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:35,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:35,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:35,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:35" (1/1) ... [2023-11-19 03:13:35,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3930dae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:35, skipping insertion in model container [2023-11-19 03:13:35,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:35" (1/1) ... [2023-11-19 03:13:35,640 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:35,874 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_42229613-4999-4d68-a58e-046ebc6daf23/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i[916,929] [2023-11-19 03:13:35,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:35,958 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:35,972 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_42229613-4999-4d68-a58e-046ebc6daf23/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i[916,929] [2023-11-19 03:13:36,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:36,036 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:36,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36 WrapperNode [2023-11-19 03:13:36,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:36,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:36,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:36,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:36,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,130 INFO L138 Inliner]: procedures = 26, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 391 [2023-11-19 03:13:36,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:36,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:36,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:36,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:36,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:36,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:36,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:36,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:36,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:36" (1/1) ... [2023-11-19 03:13:36,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:36,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:36,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:36,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42229613-4999-4d68-a58e-046ebc6daf23/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:13:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:13:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:13:36,372 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:13:36,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:13:36,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:36,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:36,600 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:36,603 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:37,293 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:38,543 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:38,544 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:13:38,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:38 BoogieIcfgContainer [2023-11-19 03:13:38,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:38,552 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:38,553 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:38,565 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:38,565 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:38,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:38,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2023-11-19 03:13:38,666 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-11-19 03:13:38,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:13:38,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:38,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:39,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 110 conjunts are in the unsatisfiable core [2023-11-19 03:13:39,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:39,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:39,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:13:39,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-19 03:13:40,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:40,392 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:13:40,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2023-11-19 03:13:40,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:40,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:13:40,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 49 [2023-11-19 03:13:41,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:41,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:41,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:41,712 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 56 treesize of output 48 [2023-11-19 03:13:42,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:42,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:42,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:42,243 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:13:42,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 63 [2023-11-19 03:13:42,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:42,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:42,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:42,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:13:42,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 63 treesize of output 63 [2023-11-19 03:13:52,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:52,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:52,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:52,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:52,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:52,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:52,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:52,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 392 treesize of output 323 [2023-11-19 03:13:53,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 29 [2023-11-19 03:13:53,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:53,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:53,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:54,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:54,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:13:54,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 264 treesize of output 268 [2023-11-19 03:13:54,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 195 treesize of output 215 [2023-11-19 03:14:05,431 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 73 proven. 31 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 03:14:13,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 03:14:13,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:13,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 64 states and 122 transitions. [2023-11-19 03:14:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 122 transitions. [2023-11-19 03:14:13,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-19 03:14:13,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:13,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:17,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 163 conjunts are in the unsatisfiable core [2023-11-19 03:14:17,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:17,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:17,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:17,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:17,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2023-11-19 03:14:18,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:18,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:18,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:18,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 47 [2023-11-19 03:14:19,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:19,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:19,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:19,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 47 [2023-11-19 03:14:19,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:19,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:19,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 47 [2023-11-19 03:14:20,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:20,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:20,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:20,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2023-11-19 03:14:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:21,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:21,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:21,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:21,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:21,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 47