./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array21_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array21_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b --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 f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:53:06,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:53:06,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:53:06,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:53:06,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:53:06,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:53:06,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:53:06,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:53:06,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:53:06,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:53:06,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:53:06,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:53:06,841 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:53:06,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:53:06,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:53:06,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:53:06,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:53:06,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:53:06,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:53:06,841 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:53:06,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:53:06,842 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:53:06,842 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:53:06,842 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:53:06,842 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:53:06,842 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:53:06,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:53:06,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:53:06,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:53:06,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:53:06,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:53:06,843 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:53:06,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:53:06,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b 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 -> f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 [2024-12-06 02:53:07,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:53:07,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:53:07,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:53:07,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:53:07,084 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:53:07,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-patterns/array21_pattern.c [2024-12-06 02:53:09,684 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b/data/e60cdc80e/57e24daf261a498fafcdbbd025c78c8d/FLAG05746307f [2024-12-06 02:53:09,893 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:53:09,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/sv-benchmarks/c/array-patterns/array21_pattern.c [2024-12-06 02:53:09,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b/data/e60cdc80e/57e24daf261a498fafcdbbd025c78c8d/FLAG05746307f [2024-12-06 02:53:10,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b/data/e60cdc80e/57e24daf261a498fafcdbbd025c78c8d [2024-12-06 02:53:10,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:53:10,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:53:10,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:53:10,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:53:10,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:53:10,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2a7b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:10, skipping insertion in model container [2024-12-06 02:53:10,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:53:10,358 WARN L250 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_ef2ade49-c283-4138-88ca-5c304c3cb439/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2024-12-06 02:53:10,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:53:10,385 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:53:10,395 WARN L250 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_ef2ade49-c283-4138-88ca-5c304c3cb439/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2024-12-06 02:53:10,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:53:10,417 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:53:10,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:10 WrapperNode [2024-12-06 02:53:10,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:53:10,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:53:10,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:53:10,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:53:10,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,440 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2024-12-06 02:53:10,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:53:10,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:53:10,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:53:10,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:53:10,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,451 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:53:10,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:53:10,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:53:10,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:53:10,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:53:10,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:53:10,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:53:10,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2ade49-c283-4138-88ca-5c304c3cb439/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:53:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2024-12-06 02:53:10,515 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2024-12-06 02:53:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:53:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:53:10,516 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:53:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:53:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:53:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:53:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:53:10,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:53:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:53:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:53:10,572 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:53:10,573 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:53:10,723 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-06 02:53:10,723 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:53:10,772 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:53:10,772 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 02:53:10,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:53:10 BoogieIcfgContainer [2024-12-06 02:53:10,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:53:10,773 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:53:10,773 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:53:10,783 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:53:10,783 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:53:10" (1/1) ... [2024-12-06 02:53:10,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:53:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-12-06 02:53:10,838 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-12-06 02:53:10,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:53:10,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:10,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:10,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:53:10,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:10,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-12-06 02:53:10,991 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-12-06 02:53:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:53:10,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:10,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:53:11,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:11,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2024-12-06 02:53:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-12-06 02:53:11,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 02:53:11,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:11,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:11,418 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:53:11,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:11,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-12-06 02:53:11,466 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-12-06 02:53:11,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:53:11,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:11,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:11,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:53:12,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:12,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2024-12-06 02:53:12,216 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2024-12-06 02:53:12,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:53:12,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:12,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 02:53:12,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:12,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2024-12-06 02:53:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2024-12-06 02:53:12,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:53:12,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:12,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:12,501 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:53:12,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:12,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2024-12-06 02:53:12,718 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2024-12-06 02:53:12,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:53:12,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:12,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:53:13,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2024-12-06 02:53:13,155 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2024-12-06 02:53:13,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:53:13,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:13,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 02:53:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:13,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2024-12-06 02:53:13,805 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2024-12-06 02:53:13,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:53:13,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:13,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-06 02:53:14,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:14,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 71 transitions. [2024-12-06 02:53:14,214 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2024-12-06 02:53:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:53:14,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:14,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:14,377 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 02:53:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 48 states and 71 transitions. [2024-12-06 02:53:14,771 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2024-12-06 02:53:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:53:14,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:14,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:14,852 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 02:53:15,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:15,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 50 states and 74 transitions. [2024-12-06 02:53:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2024-12-06 02:53:15,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:53:15,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:15,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:15,197 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 02:53:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2024-12-06 02:53:16,148 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2024-12-06 02:53:16,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:53:16,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:16,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 02:53:16,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 77 transitions. [2024-12-06 02:53:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2024-12-06 02:53:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:53:16,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:16,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:16,423 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 02:53:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 54 states and 91 transitions. [2024-12-06 02:53:16,980 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2024-12-06 02:53:16,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:53:16,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:16,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 02:53:17,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:17,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 55 states and 93 transitions. [2024-12-06 02:53:17,292 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2024-12-06 02:53:17,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 02:53:17,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:17,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 02:53:17,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:17,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 94 transitions. [2024-12-06 02:53:17,556 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2024-12-06 02:53:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:53:17,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:17,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 02:53:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:17,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 47 states and 79 transitions. [2024-12-06 02:53:17,654 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2024-12-06 02:53:17,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:53:17,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:17,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 02:53:18,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:18,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 49 states and 85 transitions. [2024-12-06 02:53:18,081 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2024-12-06 02:53:18,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:53:18,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:18,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 02:53:18,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:18,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 50 states and 87 transitions. [2024-12-06 02:53:18,196 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 87 transitions. [2024-12-06 02:53:18,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:53:18,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:18,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:53:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:18,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-12-06 02:53:18,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:53:18,829 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 11 treesize of output 7 [2024-12-06 02:53:18,931 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 18 [2024-12-06 02:53:19,250 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:53:19,250 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 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 02:53:19,372 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:53:19,373 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 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 02:53:21,164 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2024-12-06 02:53:21,164 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 10 case distinctions, treesize of input 46 treesize of output 86 [2024-12-06 02:53:22,754 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:53:22,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 117 treesize of output 53 [2024-12-06 02:53:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:53:36,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:36,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 81 states and 155 transitions. [2024-12-06 02:53:36,329 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 155 transitions. [2024-12-06 02:53:36,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:53:36,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:36,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:53:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:36,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-12-06 02:53:36,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:53:36,518 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 [2024-12-06 02:53:36,692 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 18 [2024-12-06 02:53:37,158 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:53:37,158 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 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 02:53:37,312 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:53:37,313 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 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 02:53:39,356 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2024-12-06 02:53:39,356 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 10 case distinctions, treesize of input 46 treesize of output 86 [2024-12-06 02:53:41,618 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:53:41,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 124 treesize of output 56 [2024-12-06 02:53:41,770 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:53:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 83 states and 160 transitions. [2024-12-06 02:53:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 160 transitions. [2024-12-06 02:53:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:53:48,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:48,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:53:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:49,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-12-06 02:53:49,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:53:49,167 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 11 treesize of output 7 [2024-12-06 02:53:49,180 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 18 [2024-12-06 02:53:49,230 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:53:49,230 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 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 02:53:49,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:53:49,253 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 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 02:53:50,225 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2024-12-06 02:53:50,225 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 10 case distinctions, treesize of input 46 treesize of output 86 [2024-12-06 02:53:52,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:53:52,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 146 treesize of output 112 [2024-12-06 02:53:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:53:59,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 87 states and 169 transitions. [2024-12-06 02:53:59,827 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 169 transitions. [2024-12-06 02:53:59,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:53:59,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:59,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:53:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:59,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-12-06 02:53:59,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:54:00,234 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 11 treesize of output 7 [2024-12-06 02:54:00,408 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 18 [2024-12-06 02:54:00,608 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:54:00,608 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 1 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 02:54:00,636 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:54:00,637 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 3 case distinctions, treesize of input 33 treesize of output 38 [2024-12-06 02:54:02,246 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2024-12-06 02:54:02,247 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 10 case distinctions, treesize of input 46 treesize of output 86 [2024-12-06 02:57:02,856 WARN L286 SmtUtils]: Spent 1.50m on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:59:43,463 WARN L286 SmtUtils]: Spent 1.50m on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:02:03,962 WARN L286 SmtUtils]: Spent 1.50m on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:04:04,493 WARN L286 SmtUtils]: Spent 1.50m on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:06:45,027 WARN L286 SmtUtils]: Spent 1.50m on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)