./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi --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 0d0248500070fcb488ef1ad28c8f201e8340587643ff9baf1ad195abca806e8b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:17:46,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:47,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:17:47,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:17:47,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:17:47,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:47,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:17:47,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:17:47,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:47,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:47,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:47,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:17:47,184 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:17:47,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:17:47,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:17:47,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:47,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:17:47,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:47,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:17:47,189 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:17:47,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:17:47,190 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:47,191 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:47,191 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:47,192 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:47,192 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:47,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:47,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:47,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:47,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:17:47,196 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:17:47,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:17:47,196 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:17:47,197 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_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d0248500070fcb488ef1ad28c8f201e8340587643ff9baf1ad195abca806e8b [2023-11-24 22:17:47,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:17:47,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:17:47,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:17:47,575 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:17:47,576 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:17:47,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-59.i [2023-11-24 22:17:50,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:50,920 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:50,923 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3178789c-f616-4dbb-b851-0b39dd93ae7a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-59.i [2023-11-24 22:17:50,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi/data/a3c503766/8bc4cce1543e41e48b3e212635a995fe/FLAG3972a0bf9 [2023-11-24 22:17:50,954 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi/data/a3c503766/8bc4cce1543e41e48b3e212635a995fe [2023-11-24 22:17:50,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:50,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:50,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:50,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:50,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:50,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:50" (1/1) ... [2023-11-24 22:17:50,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c91a9e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:50, skipping insertion in model container [2023-11-24 22:17:50,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:50" (1/1) ... [2023-11-24 22:17:51,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:51,257 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_3178789c-f616-4dbb-b851-0b39dd93ae7a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-59.i[917,930] [2023-11-24 22:17:51,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:51,347 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:17:51,359 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_3178789c-f616-4dbb-b851-0b39dd93ae7a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-59.i[917,930] [2023-11-24 22:17:51,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:51,414 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:17:51,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51 WrapperNode [2023-11-24 22:17:51,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:51,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:51,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:17:51,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:17:51,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,481 INFO L138 Inliner]: procedures = 26, calls = 129, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 326 [2023-11-24 22:17:51,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:51,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:17:51,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:17:51,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:17:51,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:17:51,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:17:51,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:17:51,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:17:51,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:51,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:17:51,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:17:51,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3178789c-f616-4dbb-b851-0b39dd93ae7a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:17:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:17:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:17:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:17:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:17:51,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:17:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:17:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:17:51,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:17:51,829 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:17:51,831 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:52,346 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:52,983 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:52,983 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:17:52,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:52 BoogieIcfgContainer [2023-11-24 22:17:52,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:52,986 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:52,986 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:52,997 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:52,997 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:52" (1/1) ... [2023-11-24 22:17:53,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:17:53,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2023-11-24 22:17:53,064 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2023-11-24 22:17:53,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:17:53,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:53,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:53,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 151 conjunts are in the unsatisfiable core [2023-11-24 22:17:53,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:54,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:17:54,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:17:54,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:17:54,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:17:54,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:17:54,799 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 43 treesize of output 42 [2023-11-24 22:17:56,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:17:56,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:17:56,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:17:56,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:17:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:17:56,952 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 43 treesize of output 42 [2023-11-24 22:17:58,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:17:58,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:17:58,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2023-11-24 22:18:01,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:01,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:01,458 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 0 case distinctions, treesize of input 59 treesize of output 52 [2023-11-24 22:18:04,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:04,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:04,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 67 [2023-11-24 22:18:06,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:06,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:06,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 82 [2023-11-24 22:18:09,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:09,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:09,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 92 [2023-11-24 22:18:10,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:10,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:10,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 92 [2023-11-24 22:18:12,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:12,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:12,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 92 [2023-11-24 22:18:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 26 proven. 267 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 22:18:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 84 states and 204 transitions. [2023-11-24 22:18:26,606 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 204 transitions. [2023-11-24 22:18:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:18:26,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:26,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:27,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 150 conjunts are in the unsatisfiable core [2023-11-24 22:18:27,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:27,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:27,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:27,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:27,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:27,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:27,766 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 50 treesize of output 47 [2023-11-24 22:18:29,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:29,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:29,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:29,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:29,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:29,731 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 50 treesize of output 47 [2023-11-24 22:18:31,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:31,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:31,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 43 [2023-11-24 22:18:34,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:34,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:34,533 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 0 case distinctions, treesize of input 66 treesize of output 55 [2023-11-24 22:18:37,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:37,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:37,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 70