./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array18_pattern.c --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_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/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_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array18_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/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_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/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 4d58909a91b196e39d7623dd2e1e4d9b2698d6fa8ff06c2897eb5762e2e2e408 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:43:54,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:43:54,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:43:54,638 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:43:54,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:43:54,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:43:54,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:43:54,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:43:54,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:43:54,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:43:54,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:43:54,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:43:54,687 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:43:54,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:43:54,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:43:54,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:43:54,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:43:54,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:43:54,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:43:54,692 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:43:54,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:43:54,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:43:54,694 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:43:54,694 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:43:54,695 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:43:54,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:43:54,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:54,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:43:54,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:43:54,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:43:54,699 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:43:54,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:43:54,700 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:43:54,700 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_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d58909a91b196e39d7623dd2e1e4d9b2698d6fa8ff06c2897eb5762e2e2e408 [2023-11-19 03:43:54,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:43:55,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:43:55,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:43:55,038 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:43:55,039 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:43:55,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-patterns/array18_pattern.c [2023-11-19 03:43:58,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:43:58,389 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:43:58,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/sv-benchmarks/c/array-patterns/array18_pattern.c [2023-11-19 03:43:58,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/bin/ukojak-verify-G8NBE6pJGL/data/8643bfbb4/ec44ffbc6bba4cc09fabe8e7081e01fe/FLAGd3f1f3ce0 [2023-11-19 03:43:58,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/bin/ukojak-verify-G8NBE6pJGL/data/8643bfbb4/ec44ffbc6bba4cc09fabe8e7081e01fe [2023-11-19 03:43:58,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:43:58,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:43:58,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:58,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:43:58,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:43:58,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60382f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:58, skipping insertion in model container [2023-11-19 03:43:58,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,454 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:43:58,609 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_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/sv-benchmarks/c/array-patterns/array18_pattern.c[1444,1457] [2023-11-19 03:43:58,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:58,642 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:43:58,655 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_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/sv-benchmarks/c/array-patterns/array18_pattern.c[1444,1457] [2023-11-19 03:43:58,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:58,684 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:43:58,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:58 WrapperNode [2023-11-19 03:43:58,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:58,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:58,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:43:58,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:43:58,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,728 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2023-11-19 03:43:58,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:58,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:43:58,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:43:58,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:43:58,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:43:58,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:43:58,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:43:58,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:43:58,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:58,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:43:58,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:43:58,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233bac0e-0ab0-452f-9d6e-a20a6d7a2487/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:43:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:43:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:43:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:43:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:43:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:43:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:43:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:43:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:43:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:43:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:43:58,908 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:43:58,911 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:43:59,134 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:43:59,311 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:43:59,316 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:43:59,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:59 BoogieIcfgContainer [2023-11-19 03:43:59,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:43:59,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:43:59,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:43:59,338 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:43:59,339 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:59" (1/1) ... [2023-11-19 03:43:59,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:43:59,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:59,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-19 03:43:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-19 03:43:59,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:43:59,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:59,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:59,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:43:59,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:43:59,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-19 03:43:59,685 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-19 03:43:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:43:59,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:59,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:59,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:43:59,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:59,857 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:44:00,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:00,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2023-11-19 03:44:00,071 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-19 03:44:00,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:44:00,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:00,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:00,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:44:00,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:00,235 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:44:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2023-11-19 03:44:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2023-11-19 03:44:00,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:44:00,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:00,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:00,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:44:00,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:44:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:00,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2023-11-19 03:44:00,896 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2023-11-19 03:44:00,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:44:00,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:00,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:00,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:44:01,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:44:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:01,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2023-11-19 03:44:01,503 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2023-11-19 03:44:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:44:01,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:01,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:01,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:44:01,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:44:02,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:02,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2023-11-19 03:44:02,116 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2023-11-19 03:44:02,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:44:02,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:02,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:02,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:44:02,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:02,233 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:44:02,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:02,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2023-11-19 03:44:02,497 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2023-11-19 03:44:02,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:44:02,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:02,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:02,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:44:02,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:44:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:03,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 99 transitions. [2023-11-19 03:44:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2023-11-19 03:44:03,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:44:03,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:03,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:03,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 03:44:03,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:03,723 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 [2023-11-19 03:44:04,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 239 [2023-11-19 03:44:13,336 WARN L293 SmtUtils]: Spent 8.64s on a formula simplification. DAG size of input: 97 DAG size of output: 56 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-19 03:44:13,337 INFO L349 Elim1Store]: treesize reduction 439, result has 27.0 percent of original size [2023-11-19 03:44:13,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 295 treesize of output 488 [2023-11-19 03:44:32,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:44:33,496 INFO L349 Elim1Store]: treesize reduction 98, result has 30.5 percent of original size [2023-11-19 03:44:33,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 304 treesize of output 192 [2023-11-19 03:44:34,607 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:44:34,610 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2023-11-19 03:44:57,334 WARN L293 SmtUtils]: Spent 22.61s on a formula simplification. DAG size of input: 34 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)