./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6426d30449276f41292d944281f990de88775c0c256461a4ce5af87d5d4d093f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:45,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:45,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-12 00:00:45,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:00:45,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:00:46,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:46,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:46,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:46,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:46,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:46,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:46,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:46,041 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:46,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:00:46,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:46,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:46,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:46,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:46,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:46,046 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:46,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:46,047 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:46,047 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:46,048 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:46,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:46,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:46,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:46,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:46,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:46,050 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:00:46,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:00:46,052 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:46,052 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_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6426d30449276f41292d944281f990de88775c0c256461a4ce5af87d5d4d093f [2023-11-12 00:00:46,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:46,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:46,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:46,440 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:46,441 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:46,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-12.i [2023-11-12 00:00:49,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:49,772 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:49,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-12.i [2023-11-12 00:00:49,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV/data/fa477b5f4/ec07b95ebc5b4b75b1a61f1506a22859/FLAG0ebc9e8f7 [2023-11-12 00:00:49,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV/data/fa477b5f4/ec07b95ebc5b4b75b1a61f1506a22859 [2023-11-12 00:00:49,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:49,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:49,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:49,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:49,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:49,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e1e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49, skipping insertion in model container [2023-11-12 00:00:49,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,867 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:50,038 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_216e4441-3a4e-4ded-82f4-2228838e890c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-12.i[916,929] [2023-11-12 00:00:50,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:50,163 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:50,182 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_216e4441-3a4e-4ded-82f4-2228838e890c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-12.i[916,929] [2023-11-12 00:00:50,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:50,260 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:50,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50 WrapperNode [2023-11-12 00:00:50,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:50,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:50,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:50,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:50,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,366 INFO L138 Inliner]: procedures = 26, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 390 [2023-11-12 00:00:50,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:50,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:50,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:50,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:50,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:50,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:50,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:50,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:50,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:50,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:50,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:50,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e4441-3a4e-4ded-82f4-2228838e890c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:00:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:00:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:00:50,564 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:00:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:00:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:50,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:50,722 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:50,725 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:51,335 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:52,315 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:52,315 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:00:52,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:52 BoogieIcfgContainer [2023-11-12 00:00:52,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:00:52,321 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:00:52,322 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:00:52,332 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:00:52,333 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:52" (1/1) ... [2023-11-12 00:00:52,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:00:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:52,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2023-11-12 00:00:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2023-11-12 00:00:52,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-12 00:00:52,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:52,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:53,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 105 conjunts are in the unsatisfiable core [2023-11-12 00:00:53,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:00:54,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:00:54,026 INFO L351 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 0 case distinctions, treesize of input 23 treesize of output 16 [2023-11-12 00:00:54,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:00:54,448 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-12 00:00:54,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:00:54,865 INFO L351 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 [2023-11-12 00:00:55,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:00:55,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:00:55,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:00:55,419 INFO L351 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 43 treesize of output 37 [2023-11-12 00:00:55,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:00:55,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:00:55,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:00:55,767 INFO L351 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 0 case distinctions, treesize of input 54 treesize of output 47 [2023-11-12 00:00:56,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:00:56,096 INFO L351 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 [2023-11-12 00:00:56,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:00:56,674 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 59 [2023-11-12 00:00:57,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:00:57,429 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 71 [2023-11-12 00:01:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 174 proven. 35 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-12 00:01:21,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-12 00:01:22,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:22,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 76 states and 153 transitions. [2023-11-12 00:01:22,621 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 153 transitions. [2023-11-12 00:01:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 00:01:22,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:22,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:27,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 139 conjunts are in the unsatisfiable core [2023-11-12 00:01:27,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:01:27,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:27,386 INFO L351 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 0 case distinctions, treesize of input 23 treesize of output 16 [2023-11-12 00:01:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:27,504 INFO L351 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 16 treesize of output 11 [2023-11-12 00:01:27,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:27,639 INFO L351 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 16 treesize of output 11 [2023-11-12 00:01:27,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:27,761 INFO L351 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 16 treesize of output 11 [2023-11-12 00:01:27,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:27,904 INFO L351 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 16 treesize of output 11 [2023-11-12 00:01:28,068 INFO L351 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 23 treesize of output 11 [2023-11-12 00:01:28,212 INFO L351 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 23 treesize of output 11 [2023-11-12 00:01:28,339 INFO L351 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 23 treesize of output 11 [2023-11-12 00:01:34,515 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:01:34,517 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2023-11-12 00:01:34,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:34,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:34,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:34,543 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 72 [2023-11-12 00:01:34,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:34,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:34,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:34,559 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-12 00:01:34,563 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 64 [2023-11-12 00:01:34,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:34,596 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 38 [2023-11-12 00:01:34,602 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2023-11-12 00:01:34,613 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:01:34,614 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43