./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_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_6b3af5f1-c384-4936-b00f-4083dc2129a3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3af5f1-c384-4936-b00f-4083dc2129a3/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_6b3af5f1-c384-4936-b00f-4083dc2129a3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3af5f1-c384-4936-b00f-4083dc2129a3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3af5f1-c384-4936-b00f-4083dc2129a3/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_6b3af5f1-c384-4936-b00f-4083dc2129a3/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 9f2585eba40b5252f785f265b9872263af0c48c9373a5d882dd5881c41fcdf34 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:58,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:58,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3af5f1-c384-4936-b00f-4083dc2129a3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:11:58,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:58,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:58,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:58,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:58,669 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:58,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:58,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:58,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:58,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:58,677 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:58,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:58,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:58,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:58,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:58,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:58,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:58,681 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:58,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:58,683 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:58,684 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:58,684 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:58,684 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:58,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:58,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:58,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:58,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:58,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:58,688 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:58,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:58,689 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:58,689 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_6b3af5f1-c384-4936-b00f-4083dc2129a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3af5f1-c384-4936-b00f-4083dc2129a3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f2585eba40b5252f785f265b9872263af0c48c9373a5d882dd5881c41fcdf34 [2023-11-24 22:11:59,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:59,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:59,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:59,061 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:59,061 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:59,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3af5f1-c384-4936-b00f-4083dc2129a3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-59.i [2023-11-24 22:12:02,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:02,294 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:02,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3af5f1-c384-4936-b00f-4083dc2129a3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-59.i [2023-11-24 22:12:02,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3af5f1-c384-4936-b00f-4083dc2129a3/bin/ukojak-verify-afCqCEvfdi/data/8e5aef9b1/5fb087929bcb43798284c8758d7a653e/FLAG15160dc8a [2023-11-24 22:12:02,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3af5f1-c384-4936-b00f-4083dc2129a3/bin/ukojak-verify-afCqCEvfdi/data/8e5aef9b1/5fb087929bcb43798284c8758d7a653e [2023-11-24 22:12:02,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:02,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:02,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:02,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:02,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:02,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d35864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02, skipping insertion in model container [2023-11-24 22:12:02,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,391 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:02,565 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_6b3af5f1-c384-4936-b00f-4083dc2129a3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-59.i[916,929] [2023-11-24 22:12:02,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:02,650 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:02,664 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_6b3af5f1-c384-4936-b00f-4083dc2129a3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-59.i[916,929] [2023-11-24 22:12:02,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:02,759 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:02,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02 WrapperNode [2023-11-24 22:12:02,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:02,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:02,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:02,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:02,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,835 INFO L138 Inliner]: procedures = 26, calls = 129, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 314 [2023-11-24 22:12:02,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:02,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:02,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:02,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:02,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:02,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:02,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:02,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:02,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:02" (1/1) ... [2023-11-24 22:12:02,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:02,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3af5f1-c384-4936-b00f-4083dc2129a3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:02,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3af5f1-c384-4936-b00f-4083dc2129a3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:02,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3af5f1-c384-4936-b00f-4083dc2129a3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:12:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:12:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:12:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:12:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:03,190 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:03,192 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:03,616 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:04,192 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:04,192 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:12:04,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:04 BoogieIcfgContainer [2023-11-24 22:12:04,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:04,196 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:04,196 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:04,207 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:04,208 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:04" (1/1) ... [2023-11-24 22:12:04,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:04,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:04,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2023-11-24 22:12:04,299 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2023-11-24 22:12:04,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:12:04,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:04,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:05,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 110 conjunts are in the unsatisfiable core [2023-11-24 22:12:05,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:05,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:05,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:05,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:05,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:05,462 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-24 22:12:05,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 70 [2023-11-24 22:12:05,497 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 3 [2023-11-24 22:12:05,530 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-24 22:12:05,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 16 [2023-11-24 22:12:06,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:06,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:06,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:06,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:06,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:06,658 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-24 22:12:06,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 74 [2023-11-24 22:12:07,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:07,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:07,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:07,413 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 73 treesize of output 65 [2023-11-24 22:12:07,457 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 13 treesize of output 9 [2023-11-24 22:12:08,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:08,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:08,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:08,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:12:08,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 54 [2023-11-24 22:12:10,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:10,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:10,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:10,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:12:10,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 69 [2023-11-24 22:12:11,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:11,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:11,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:11,911 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 86 treesize of output 70 [2023-11-24 22:12:11,944 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 9 [2023-11-24 22:12:13,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:13,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:13,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:13,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 68 [2023-11-24 22:12:13,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:13,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:13,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:13,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 68 [2023-11-24 22:12:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:14,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 68 [2023-11-24 22:12:19,678 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 37 proven. 218 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-24 22:12:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:24,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 84 states and 200 transitions. [2023-11-24 22:12:24,784 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 200 transitions. [2023-11-24 22:12:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:12:24,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:24,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:25,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 105 conjunts are in the unsatisfiable core [2023-11-24 22:12:25,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:25,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:25,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:25,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:25,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:25,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:25,403 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-24 22:12:25,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2023-11-24 22:12:25,425 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 13 treesize of output 9 [2023-11-24 22:12:26,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:26,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:26,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:26,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:26,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:26,170 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-24 22:12:26,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 59 [2023-11-24 22:12:26,184 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 13 treesize of output 9 [2023-11-24 22:12:26,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:26,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:26,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:26,657 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 56 treesize of output 50 [2023-11-24 22:12:26,667 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 13 treesize of output 9 [2023-11-24 22:12:27,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:27,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:27,841 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 52 treesize of output 42 [2023-11-24 22:12:29,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:29,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:29,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:29,065 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 68 treesize of output 57 [2023-11-24 22:12:30,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:30,530 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 77 treesize of output 63 [2023-11-24 22:12:30,536 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 9 treesize of output 5 [2023-11-24 22:12:31,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:31,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:31,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:31,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 68 [2023-11-24 22:12:32,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:32,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:32,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:32,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 68 [2023-11-24 22:12:32,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:32,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:32,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:32,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 68 [2023-11-24 22:12:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 37 proven. 218 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-24 22:12:50,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:50,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 106 states and 301 transitions. [2023-11-24 22:12:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 301 transitions. [2023-11-24 22:12:50,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:12:50,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:50,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:51,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 109 conjunts are in the unsatisfiable core [2023-11-24 22:12:51,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:51,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:51,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:51,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:51,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:51,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:51,627 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-24 22:12:51,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 63 [2023-11-24 22:12:51,642 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 5 treesize of output 3 [2023-11-24 22:12:51,687 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-11-24 22:12:51,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2023-11-24 22:12:52,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:52,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:52,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:52,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:52,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:52,795 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-24 22:12:52,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 68 [2023-11-24 22:12:53,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:53,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:53,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:53,358 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 65 treesize of output 59