./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-87.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_aa485f87-d18b-4b34-9e3b-bdccc896399c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa485f87-d18b-4b34-9e3b-bdccc896399c/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_aa485f87-d18b-4b34-9e3b-bdccc896399c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa485f87-d18b-4b34-9e3b-bdccc896399c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa485f87-d18b-4b34-9e3b-bdccc896399c/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_aa485f87-d18b-4b34-9e3b-bdccc896399c/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 d77ef1cde99f31e501c7f2ed1a61629f500b31c9ca09ddc7e86fabeb2ad18e8e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:50,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:50,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa485f87-d18b-4b34-9e3b-bdccc896399c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:56:50,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:50,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:50,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:50,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:56:50,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:56:50,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:50,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:50,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:50,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:50,773 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:56:50,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:50,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:56:50,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:50,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:50,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:50,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:50,778 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:56:50,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:50,779 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:50,780 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:50,780 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:50,781 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:50,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:50,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:50,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:50,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:50,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:56:50,785 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:50,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:50,786 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:56:50,786 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_aa485f87-d18b-4b34-9e3b-bdccc896399c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa485f87-d18b-4b34-9e3b-bdccc896399c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d77ef1cde99f31e501c7f2ed1a61629f500b31c9ca09ddc7e86fabeb2ad18e8e [2023-11-19 03:56:51,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:51,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:51,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:51,122 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:51,122 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:51,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa485f87-d18b-4b34-9e3b-bdccc896399c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-87.i [2023-11-19 03:56:54,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:56:54,472 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:56:54,474 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa485f87-d18b-4b34-9e3b-bdccc896399c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-87.i [2023-11-19 03:56:54,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa485f87-d18b-4b34-9e3b-bdccc896399c/bin/ukojak-verify-G8NBE6pJGL/data/b10977a64/b22aa0e7db144a138dc04ca8c081d481/FLAGf69efcb4f [2023-11-19 03:56:54,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa485f87-d18b-4b34-9e3b-bdccc896399c/bin/ukojak-verify-G8NBE6pJGL/data/b10977a64/b22aa0e7db144a138dc04ca8c081d481 [2023-11-19 03:56:54,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:56:54,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:56:54,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:54,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:56:54,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:56:54,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c1a9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54, skipping insertion in model container [2023-11-19 03:56:54,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,563 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:56:54,739 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_aa485f87-d18b-4b34-9e3b-bdccc896399c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-87.i[916,929] [2023-11-19 03:56:54,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:54,815 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:56:54,828 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_aa485f87-d18b-4b34-9e3b-bdccc896399c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-87.i[916,929] [2023-11-19 03:56:54,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:54,888 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:56:54,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54 WrapperNode [2023-11-19 03:56:54,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:54,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:54,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:56:54,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:56:54,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,993 INFO L138 Inliner]: procedures = 26, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 359 [2023-11-19 03:56:54,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:54,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:56:54,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:56:54,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:56:55,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:55,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:55,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:55,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:55,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:55,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:55,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:55,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:55,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:56:55,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:56:55,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:56:55,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:56:55,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:55,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:55,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa485f87-d18b-4b34-9e3b-bdccc896399c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:56:55,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa485f87-d18b-4b34-9e3b-bdccc896399c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:56:55,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa485f87-d18b-4b34-9e3b-bdccc896399c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:56:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:56:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:56:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:56:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:56:55,162 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:56:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:56:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:56:55,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:56:55,309 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:56:55,312 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:56:55,832 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:56:56,556 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:56:56,557 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:56:56,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:56 BoogieIcfgContainer [2023-11-19 03:56:56,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:56:56,571 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:56:56,571 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:56:56,582 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:56:56,582 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:56" (1/1) ... [2023-11-19 03:56:56,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:56:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:56,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2023-11-19 03:56:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2023-11-19 03:56:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:56:56,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:56,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:57,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 92 conjunts are in the unsatisfiable core [2023-11-19 03:56:57,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:58,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:56:58,078 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 0 case distinctions, treesize of input 37 treesize of output 24 [2023-11-19 03:56:58,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:56:58,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:56:58,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:56:58,622 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 39 treesize of output 33 [2023-11-19 03:56:59,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:56:59,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:56:59,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:56:59,034 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 39 treesize of output 33 [2023-11-19 03:56:59,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:56:59,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:56:59,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:56:59,441 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 39 treesize of output 33 [2023-11-19 03:56:59,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:56:59,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:56:59,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:56:59,797 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 39 treesize of output 33 [2023-11-19 03:57:00,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:00,190 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 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-19 03:57:00,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:00,666 INFO L378 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 41 treesize of output 35 [2023-11-19 03:57:05,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:05,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:05,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:05,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:05,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:05,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:05,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:05,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:05,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:05,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 204 [2023-11-19 03:57:05,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:06,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:06,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:06,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:06,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:06,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:06,707 INFO L224 Elim1Store]: Index analysis took 637 ms [2023-11-19 03:57:06,742 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 165 [2023-11-19 03:57:07,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 25 treesize of output 21 [2023-11-19 03:57:14,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 33 [2023-11-19 03:57:14,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,593 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 275 [2023-11-19 03:57:14,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:14,691 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 226 treesize of output 216 [2023-11-19 03:57:14,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 7 treesize of output 5 [2023-11-19 03:57:14,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 19 treesize of output 15 [2023-11-19 03:57:14,883 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2023-11-19 03:57:14,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 215 treesize of output 269 [2023-11-19 03:57:15,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 42 treesize of output 68 [2023-11-19 03:57:16,423 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 13 proven. 93 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-19 03:57:20,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 03:57:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 68 states and 139 transitions. [2023-11-19 03:57:20,605 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 139 transitions. [2023-11-19 03:57:20,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:57:20,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:20,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:21,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 86 conjunts are in the unsatisfiable core [2023-11-19 03:57:21,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:21,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:21,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:21,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:21,345 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 32 treesize of output 23 [2023-11-19 03:57:21,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:21,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:21,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:21,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:21,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:21,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 35 [2023-11-19 03:57:22,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2023-11-19 03:57:22,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2023-11-19 03:57:22,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:22,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2023-11-19 03:57:23,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:23,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:23,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:23,353 INFO L378 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 34 treesize of output 30 [2023-11-19 03:57:24,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:24,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:24,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:24,043 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 43 treesize of output 37 [2023-11-19 03:57:26,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:26,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:26,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:26,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:26,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:26,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:26,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:26,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:26,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:26,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 222 [2023-11-19 03:57:27,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:27,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:27,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:27,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:27,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:27,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:27,336 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 188 [2023-11-19 03:57:27,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 25 treesize of output 21 [2023-11-19 03:57:34,062 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:57:34,069 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 782 [2023-11-19 03:57:34,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:34,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:34,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:34,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:34,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:34,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:34,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:34,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:34,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:34,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:57:34,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 273 treesize of output 240 [2023-11-19 03:57:34,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 33 treesize of output 23 [2023-11-19 03:57:34,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 45 treesize of output 67 [2023-11-19 03:57:34,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 162 [2023-11-19 03:57:34,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 17 treesize of output 11 [2023-11-19 03:57:45,933 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-19 03:57:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 13 proven. 93 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked.