./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 96f1211cbeeae798f0ae4041c6e80d5023e7b1c38257b583d7afbb4e6848597b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:29:51,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:29:51,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 01:29:51,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:29:51,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:29:51,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:29:51,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:29:51,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:29:51,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:29:51,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:29:51,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:29:51,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:29:51,449 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:29:51,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:29:51,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:29:51,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:29:51,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:29:51,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:29:51,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:29:51,452 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:29:51,453 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:29:51,457 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:29:51,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:29:51,457 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:29:51,458 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:29:51,458 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:29:51,459 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:29:51,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:29:51,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:29:51,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:29:51,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:29:51,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:29:51,461 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:29:51,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:29:51,461 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:29:51,462 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_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96f1211cbeeae798f0ae4041c6e80d5023e7b1c38257b583d7afbb4e6848597b [2023-12-03 01:29:51,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:29:51,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:29:51,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:29:51,722 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:29:51,722 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:29:51,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c [2023-12-03 01:29:54,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:29:54,683 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:29:54,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54befbd-8205-4ca3-b536-4feb6857fb12/sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br-ll.c [2023-12-03 01:29:54,690 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9/data/0ae572f54/0585d232dc9541abb0b6fb5699c80617/FLAGeada2a93e [2023-12-03 01:29:54,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9/data/0ae572f54/0585d232dc9541abb0b6fb5699c80617 [2023-12-03 01:29:54,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:29:54,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:29:54,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:29:54,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:29:54,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:29:54,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:29:54" (1/1) ... [2023-12-03 01:29:54,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2de510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:54, skipping insertion in model container [2023-12-03 01:29:54,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:29:54" (1/1) ... [2023-12-03 01:29:54,736 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:29:54,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:29:54,900 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:29:54,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:29:54,940 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:29:54,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:54 WrapperNode [2023-12-03 01:29:54,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:29:54,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:29:54,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:29:54,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:29:54,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:54" (1/1) ... [2023-12-03 01:29:54,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:54" (1/1) ... [2023-12-03 01:29:54,977 INFO L138 Inliner]: procedures = 16, calls = 87, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 86 [2023-12-03 01:29:54,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:29:54,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:29:54,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:29:54,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:29:54,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:54" (1/1) ... [2023-12-03 01:29:54,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:54" (1/1) ... [2023-12-03 01:29:54,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:54" (1/1) ... [2023-12-03 01:29:54,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:54" (1/1) ... [2023-12-03 01:29:54,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:54" (1/1) ... [2023-12-03 01:29:55,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:54" (1/1) ... [2023-12-03 01:29:55,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:54" (1/1) ... [2023-12-03 01:29:55,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:54" (1/1) ... [2023-12-03 01:29:55,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:29:55,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:29:55,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:29:55,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:29:55,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:54" (1/1) ... [2023-12-03 01:29:55,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:29:55,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:29:55,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:29:55,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c54befbd-8205-4ca3-b536-4feb6857fb12/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:29:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:29:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:29:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:29:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:29:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:29:55,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:29:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:29:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_0_to_51_0 [2023-12-03 01:29:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_0_to_51_0 [2023-12-03 01:29:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:29:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:29:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:29:55,138 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:29:55,140 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:29:55,509 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:29:55,615 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:29:55,616 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:29:55,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:29:55 BoogieIcfgContainer [2023-12-03 01:29:55,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:29:55,619 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:29:55,619 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:29:55,630 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:29:55,630 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:29:55" (1/1) ... [2023-12-03 01:29:55,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:29:55,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 105 states and 112 transitions. [2023-12-03 01:29:55,699 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 112 transitions. [2023-12-03 01:29:55,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:29:55,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:55,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:29:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:55,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-03 01:29:55,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:56,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:56,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:56,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:56,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:56,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:56,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:56,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:56,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:56,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 42 [2023-12-03 01:29:56,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:56,175 INFO L349 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2023-12-03 01:29:56,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 320 treesize of output 304 [2023-12-03 01:29:56,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 52 [2023-12-03 01:29:56,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 24 [2023-12-03 01:29:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:29:56,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 108 states and 116 transitions. [2023-12-03 01:29:56,959 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 116 transitions. [2023-12-03 01:29:56,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:29:56,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:56,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:29:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:57,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-03 01:29:57,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:57,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:57,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:57,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:57,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:57,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:57,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:57,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:57,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:57,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 42 [2023-12-03 01:29:57,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:57,182 INFO L349 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2023-12-03 01:29:57,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 82 treesize of output 72 [2023-12-03 01:29:57,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2023-12-03 01:29:57,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2023-12-03 01:29:57,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:29:59,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:59,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 112 states and 123 transitions. [2023-12-03 01:29:59,081 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2023-12-03 01:29:59,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:29:59,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:59,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:29:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:59,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 65 conjunts are in the unsatisfiable core [2023-12-03 01:29:59,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:59,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:59,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:59,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:59,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:59,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:59,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:59,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:59,294 INFO L349 Elim1Store]: treesize reduction 107, result has 25.2 percent of original size [2023-12-03 01:29:59,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 256 treesize of output 73 [2023-12-03 01:29:59,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:59,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:59,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:59,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:59,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:59,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:29:59,339 INFO L349 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2023-12-03 01:29:59,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 63 treesize of output 71 [2023-12-03 01:29:59,378 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-12-03 01:29:59,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 327 treesize of output 315 [2023-12-03 01:30:00,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2023-12-03 01:30:00,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:30:03,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:03,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 117 states and 134 transitions. [2023-12-03 01:30:03,566 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2023-12-03 01:30:03,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:30:03,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:03,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:30:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:03,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 65 conjunts are in the unsatisfiable core [2023-12-03 01:30:03,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:03,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:30:03,752 INFO L190 IndexEqualityManager]: detected not equals via solver