./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/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_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/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_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/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 b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:32:52,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:32:52,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:32:52,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:32:52,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:32:53,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:32:53,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:32:53,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:32:53,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:32:53,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:32:53,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:32:53,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:32:53,013 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:32:53,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:32:53,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:32:53,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:32:53,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:32:53,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:32:53,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:32:53,017 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:32:53,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:32:53,018 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:32:53,019 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:32:53,020 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:32:53,020 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:32:53,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:32:53,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:53,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:32:53,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:32:53,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:32:53,024 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:32:53,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:32:53,025 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:32:53,025 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_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b28c8175bc39dd1c459be6d9349fe3be895f115cd8cddc9719a89a6e0edbf727 [2023-11-19 02:32:53,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:32:53,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:32:53,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:32:53,353 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:32:53,354 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:32:53,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i [2023-11-19 02:32:56,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:32:56,634 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:32:56,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i [2023-11-19 02:32:56,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/bin/ukojak-verify-G8NBE6pJGL/data/21c948cfe/f6c7fe72fd6d4bc5ac9bfbca84c371e9/FLAG7bb58a847 [2023-11-19 02:32:56,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/bin/ukojak-verify-G8NBE6pJGL/data/21c948cfe/f6c7fe72fd6d4bc5ac9bfbca84c371e9 [2023-11-19 02:32:56,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:32:56,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:32:56,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:56,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:32:56,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:32:56,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:56" (1/1) ... [2023-11-19 02:32:56,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cbbdea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:56, skipping insertion in model container [2023-11-19 02:32:56,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:56" (1/1) ... [2023-11-19 02:32:56,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:32:56,873 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_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2023-11-19 02:32:56,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:56,944 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:32:56,957 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_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-89.i[916,929] [2023-11-19 02:32:56,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:57,009 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:32:57,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:57 WrapperNode [2023-11-19 02:32:57,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:57,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:57,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:32:57,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:32:57,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:57" (1/1) ... [2023-11-19 02:32:57,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:57" (1/1) ... [2023-11-19 02:32:57,087 INFO L138 Inliner]: procedures = 26, calls = 143, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 417 [2023-11-19 02:32:57,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:57,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:32:57,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:32:57,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:32:57,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:57" (1/1) ... [2023-11-19 02:32:57,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:57" (1/1) ... [2023-11-19 02:32:57,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:57" (1/1) ... [2023-11-19 02:32:57,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:57" (1/1) ... [2023-11-19 02:32:57,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:57" (1/1) ... [2023-11-19 02:32:57,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:57" (1/1) ... [2023-11-19 02:32:57,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:57" (1/1) ... [2023-11-19 02:32:57,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:57" (1/1) ... [2023-11-19 02:32:57,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:32:57,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:32:57,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:32:57,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:32:57,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:57" (1/1) ... [2023-11-19 02:32:57,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:57,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:32:57,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:32:57,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d8c11b-e44d-43ad-9ed6-2667b594aba2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:32:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:32:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:32:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:32:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:32:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:32:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:32:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:32:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:32:57,470 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:32:57,488 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:32:58,097 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:32:59,042 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:32:59,042 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:32:59,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:59 BoogieIcfgContainer [2023-11-19 02:32:59,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:32:59,048 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:32:59,048 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:32:59,059 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:32:59,059 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:59" (1/1) ... [2023-11-19 02:32:59,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:32:59,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2023-11-19 02:32:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-11-19 02:32:59,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:32:59,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:59,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:00,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 167 conjunts are in the unsatisfiable core [2023-11-19 02:33:00,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:01,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:01,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:01,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-19 02:33:05,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:05,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:05,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:05,269 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 42 treesize of output 36 [2023-11-19 02:33:07,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:07,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:07,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:07,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:07,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 48 [2023-11-19 02:33:10,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:10,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:10,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:10,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:10,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:10,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 60 [2023-11-19 02:33:12,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:12,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:12,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:12,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:12,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:12,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:12,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 72 [2023-11-19 02:33:13,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:13,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:13,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:13,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:13,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:13,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:33:13,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 72 [2023-11-19 02:33:35,319 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 145 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:33:43,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-19 02:33:44,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:44,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 64 states and 153 transitions. [2023-11-19 02:33:44,108 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 153 transitions. [2023-11-19 02:33:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:33:44,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:44,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:44,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 121 conjunts are in the unsatisfiable core [2023-11-19 02:33:44,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:45,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 02:33:47,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 14 [2023-11-19 02:33:48,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 14 [2023-11-19 02:33:49,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 26 treesize of output 14