./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f10a15c-6c0e-40c2-bf93-989fdf060749/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f10a15c-6c0e-40c2-bf93-989fdf060749/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_3f10a15c-6c0e-40c2-bf93-989fdf060749/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f10a15c-6c0e-40c2-bf93-989fdf060749/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f10a15c-6c0e-40c2-bf93-989fdf060749/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_3f10a15c-6c0e-40c2-bf93-989fdf060749/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 8d0e6bdf4ddc5b5e0cadfb452142b6477bf8c78b59a2e6398c4f283004048468 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:06:07,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:07,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f10a15c-6c0e-40c2-bf93-989fdf060749/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:06:07,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:06:07,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:06:07,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:07,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:07,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:07,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:07,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:07,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:07,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:07,705 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:06:07,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:06:07,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:06:07,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:07,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:07,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:07,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:07,714 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:06:07,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:07,716 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:07,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:07,717 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:07,718 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:07,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:07,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:07,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:07,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:07,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:07,722 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:06:07,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:06:07,722 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:07,722 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_3f10a15c-6c0e-40c2-bf93-989fdf060749/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f10a15c-6c0e-40c2-bf93-989fdf060749/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d0e6bdf4ddc5b5e0cadfb452142b6477bf8c78b59a2e6398c4f283004048468 [2023-11-19 03:06:08,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:08,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:08,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:08,112 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:08,112 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:08,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f10a15c-6c0e-40c2-bf93-989fdf060749/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i [2023-11-19 03:06:11,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:11,562 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:11,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f10a15c-6c0e-40c2-bf93-989fdf060749/sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i [2023-11-19 03:06:11,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f10a15c-6c0e-40c2-bf93-989fdf060749/bin/ukojak-verify-G8NBE6pJGL/data/ed13d0726/5e83db96d2c14231921eb8b1388817d5/FLAG9b35e8f4a [2023-11-19 03:06:11,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f10a15c-6c0e-40c2-bf93-989fdf060749/bin/ukojak-verify-G8NBE6pJGL/data/ed13d0726/5e83db96d2c14231921eb8b1388817d5 [2023-11-19 03:06:11,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:11,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:11,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:11,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:11,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:11,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db502a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11, skipping insertion in model container [2023-11-19 03:06:11,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,632 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:11,823 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_3f10a15c-6c0e-40c2-bf93-989fdf060749/sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i[1564,1577] [2023-11-19 03:06:11,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:11,857 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:11,869 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_3f10a15c-6c0e-40c2-bf93-989fdf060749/sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i[1564,1577] [2023-11-19 03:06:11,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:11,897 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:11,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11 WrapperNode [2023-11-19 03:06:11,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:11,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:11,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:11,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:11,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,940 INFO L138 Inliner]: procedures = 19, calls = 63, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2023-11-19 03:06:11,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:11,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:11,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:11,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:11,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:11,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:11,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:11,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:11,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:11" (1/1) ... [2023-11-19 03:06:11,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:12,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f10a15c-6c0e-40c2-bf93-989fdf060749/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:12,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f10a15c-6c0e-40c2-bf93-989fdf060749/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:12,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f10a15c-6c0e-40c2-bf93-989fdf060749/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_35_to_37_0 [2023-11-19 03:06:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_35_to_37_0 [2023-11-19 03:06:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:06:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:06:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:06:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:06:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:06:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_39_to_46_0 [2023-11-19 03:06:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_39_to_46_0 [2023-11-19 03:06:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:06:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:06:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:06:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:06:12,178 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:12,181 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:12,455 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:06:12,534 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:06:12,534 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:06:12,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:12 BoogieIcfgContainer [2023-11-19 03:06:12,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:06:12,545 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:06:12,546 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:06:12,557 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:06:12,557 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:12" (1/1) ... [2023-11-19 03:06:12,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:06:12,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:12,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2023-11-19 03:06:12,648 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-11-19 03:06:12,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:06:12,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:12,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:13,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:06:13,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:13,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2023-11-19 03:06:13,120 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-19 03:06:13,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:06:13,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:13,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:13,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-19 03:06:13,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:13,744 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-19 03:06:13,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2023-11-19 03:06:13,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:06:13,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-19 03:06:13,936 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 27 treesize of output 28 [2023-11-19 03:06:14,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2023-11-19 03:06:14,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:06:14,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:14,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 56 transitions. [2023-11-19 03:06:14,847 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-19 03:06:14,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:06:14,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:14,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:15,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 95 conjunts are in the unsatisfiable core [2023-11-19 03:06:15,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:15,100 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-19 03:06:15,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2023-11-19 03:06:15,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-19 03:06:15,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:06:15,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:06:15,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2023-11-19 03:06:15,373 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 0 case distinctions, treesize of input 27 treesize of output 28 [2023-11-19 03:06:15,742 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 27 treesize of output 28 [2023-11-19 03:06:16,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2023-11-19 03:06:16,076 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:06:17,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:17,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 43 states and 62 transitions. [2023-11-19 03:06:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2023-11-19 03:06:17,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:06:17,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:17,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:17,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 100 conjunts are in the unsatisfiable core [2023-11-19 03:06:17,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:17,619 INFO L349 Elim1Store]: treesize reduction 13, result has 48.0 percent of original size [2023-11-19 03:06:17,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 462 treesize of output 451 [2023-11-19 03:06:17,973 INFO L349 Elim1Store]: treesize reduction 32, result has 49.2 percent of original size [2023-11-19 03:06:17,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 106 [2023-11-19 03:06:17,999 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2023-11-19 03:06:18,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 107 [2023-11-19 03:06:18,019 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:06:18,030 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2023-11-19 03:06:18,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 92 [2023-11-19 03:06:18,119 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-19 03:06:18,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 50 [2023-11-19 03:06:18,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-19 03:06:18,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:06:18,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-19 03:06:18,219 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:06:18,221 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2023-11-19 03:06:20,759 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:06:20,760 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2023-11-19 03:06:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:06:20,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:06:20,831 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 03:06:20,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 61 [2023-11-19 03:06:21,171 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:06:21,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 25 [2023-11-19 03:06:21,185 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:06:25,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:25,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 42 states and 56 transitions. [2023-11-19 03:06:25,291 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2023-11-19 03:06:25,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:06:25,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:25,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:25,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 03:06:25,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:25,428 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-19 03:06:25,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 118 treesize of output 110 [2023-11-19 03:06:25,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:06:25,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:06:25,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 22