./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/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_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/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_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/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 e6926b4c4456cf40fd2f7cdafc9f778396b8eaa34456b24490dcf7ecaf227025 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:00,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:00,349 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:55:00,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:55:00,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:55:00,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:00,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:00,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:00,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:00,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:00,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:00,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:00,381 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:00,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:55:00,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:00,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:00,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:00,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:00,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:00,385 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:00,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:00,386 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:00,387 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:00,387 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:00,388 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:00,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:00,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:00,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:00,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:00,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:00,391 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:55:00,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:55:00,391 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:00,392 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_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6926b4c4456cf40fd2f7cdafc9f778396b8eaa34456b24490dcf7ecaf227025 [2023-11-19 02:55:00,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:00,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:00,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:00,700 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:00,701 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:00,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i [2023-11-19 02:55:03,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:04,034 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:04,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i [2023-11-19 02:55:04,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/bin/ukojak-verify-G8NBE6pJGL/data/3abeebeb0/9aefe9dc32c745de9e5fa82b43d5db16/FLAG009f39bea [2023-11-19 02:55:04,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/bin/ukojak-verify-G8NBE6pJGL/data/3abeebeb0/9aefe9dc32c745de9e5fa82b43d5db16 [2023-11-19 02:55:04,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:04,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:04,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:04,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:04,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:04,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:04" (1/1) ... [2023-11-19 02:55:04,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715314b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:04, skipping insertion in model container [2023-11-19 02:55:04,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:04" (1/1) ... [2023-11-19 02:55:04,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:04,262 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_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i[917,930] [2023-11-19 02:55:04,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:04,361 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:04,374 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_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i[917,930] [2023-11-19 02:55:04,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:04,434 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:04,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:04 WrapperNode [2023-11-19 02:55:04,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:04,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:04,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:04,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:04,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:04" (1/1) ... [2023-11-19 02:55:04,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:04" (1/1) ... [2023-11-19 02:55:04,519 INFO L138 Inliner]: procedures = 26, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 372 [2023-11-19 02:55:04,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:04,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:04,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:04,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:04,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:04" (1/1) ... [2023-11-19 02:55:04,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:04" (1/1) ... [2023-11-19 02:55:04,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:04" (1/1) ... [2023-11-19 02:55:04,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:04" (1/1) ... [2023-11-19 02:55:04,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:04" (1/1) ... [2023-11-19 02:55:04,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:04" (1/1) ... [2023-11-19 02:55:04,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:04" (1/1) ... [2023-11-19 02:55:04,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:04" (1/1) ... [2023-11-19 02:55:04,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:04,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:04,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:04,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:04,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:04" (1/1) ... [2023-11-19 02:55:04,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:04,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:04,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:04,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a2c3e4b-3437-4cd9-aedd-3388f1de4e19/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:55:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:55:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:55:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:55:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:55:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:04,799 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:04,805 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:05,369 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:06,053 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:06,054 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:55:06,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:06 BoogieIcfgContainer [2023-11-19 02:55:06,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:55:06,063 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:55:06,063 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:55:06,074 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:55:06,074 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:06" (1/1) ... [2023-11-19 02:55:06,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:55:06,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:06,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2023-11-19 02:55:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2023-11-19 02:55:06,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:55:06,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:06,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:07,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 138 conjunts are in the unsatisfiable core [2023-11-19 02:55:07,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:08,208 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 39 treesize of output 33 [2023-11-19 02:55:11,232 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 48 treesize of output 38 [2023-11-19 02:55:13,448 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 02:55:15,347 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 02:55:17,098 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 02:55:18,633 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 41 treesize of output 35 [2023-11-19 02:55:20,569 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 50 treesize of output 47 [2023-11-19 02:55:25,362 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 598 treesize of output 455 [2023-11-19 02:55:25,555 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 565 treesize of output 432 [2023-11-19 02:55:25,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:25,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-11-19 02:55:26,069 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 540 treesize of output 373 [2023-11-19 02:55:26,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:26,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:26,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:26,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:26,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:26,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:26,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:26,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:26,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:26,949 INFO L349 Elim1Store]: treesize reduction 74, result has 20.4 percent of original size [2023-11-19 02:55:26,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 287 treesize of output 314 [2023-11-19 02:55:27,125 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2023-11-19 02:55:27,369 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 353 treesize of output 272 [2023-11-19 02:55:27,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:27,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:27,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:27,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:28,568 INFO L349 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2023-11-19 02:55:28,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 268 treesize of output 252 [2023-11-19 02:55:28,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 322 treesize of output 319 [2023-11-19 02:55:29,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:29,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:30,232 INFO L349 Elim1Store]: treesize reduction 95, result has 13.6 percent of original size [2023-11-19 02:55:30,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 141 [2023-11-19 02:55:30,316 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2023-11-19 02:55:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 5 proven. 137 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:55:43,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-19 02:55:45,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:45,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 68 states and 157 transitions. [2023-11-19 02:55:45,821 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 157 transitions. [2023-11-19 02:55:45,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:55:45,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:45,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:46,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 159 conjunts are in the unsatisfiable core [2023-11-19 02:55:46,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:47,120 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 02:55:49,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2023-11-19 02:55:51,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2023-11-19 02:55:53,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45