./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c --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_63c91495-3963-4264-827f-474a4205acf8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c91495-3963-4264-827f-474a4205acf8/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_63c91495-3963-4264-827f-474a4205acf8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c91495-3963-4264-827f-474a4205acf8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c91495-3963-4264-827f-474a4205acf8/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_63c91495-3963-4264-827f-474a4205acf8/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 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:52:46,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:52:46,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c91495-3963-4264-827f-474a4205acf8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:52:46,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:52:46,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:52:46,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:52:46,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:52:46,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:52:46,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:52:46,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:52:46,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:52:46,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:52:46,343 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:52:46,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:52:46,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:52:46,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:52:46,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:52:46,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:52:46,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:52:46,347 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:52:46,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:52:46,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:52:46,349 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:52:46,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:52:46,350 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:52:46,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:52:46,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:46,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:52:46,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:52:46,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:52:46,354 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:52:46,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:52:46,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:52:46,355 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_63c91495-3963-4264-827f-474a4205acf8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c91495-3963-4264-827f-474a4205acf8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe [2023-11-19 02:52:46,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:52:46,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:52:46,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:52:46,687 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:52:46,687 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:52:46,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c91495-3963-4264-827f-474a4205acf8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2023-11-19 02:52:49,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:52:50,159 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:52:50,160 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c91495-3963-4264-827f-474a4205acf8/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2023-11-19 02:52:50,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c91495-3963-4264-827f-474a4205acf8/bin/ukojak-verify-G8NBE6pJGL/data/2457940ca/6ebf4a7f7c84485f87c28eac84e0acc6/FLAG28ec04d10 [2023-11-19 02:52:50,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c91495-3963-4264-827f-474a4205acf8/bin/ukojak-verify-G8NBE6pJGL/data/2457940ca/6ebf4a7f7c84485f87c28eac84e0acc6 [2023-11-19 02:52:50,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:52:50,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:52:50,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:50,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:52:50,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:52:50,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@966fdf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50, skipping insertion in model container [2023-11-19 02:52:50,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,235 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:52:50,435 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_63c91495-3963-4264-827f-474a4205acf8/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c[987,1000] [2023-11-19 02:52:50,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:50,478 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:50,496 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_63c91495-3963-4264-827f-474a4205acf8/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c[987,1000] [2023-11-19 02:52:50,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:50,548 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:50,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50 WrapperNode [2023-11-19 02:52:50,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:50,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:50,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:50,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:50,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,590 INFO L138 Inliner]: procedures = 16, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2023-11-19 02:52:50,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:50,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:50,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:50,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:50,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:50,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:50,621 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:50,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:50,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:50,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c91495-3963-4264-827f-474a4205acf8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:50,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c91495-3963-4264-827f-474a4205acf8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:50,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63c91495-3963-4264-827f-474a4205acf8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:52:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:52:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:52:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:52:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:52:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:52:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:52:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_35_0 [2023-11-19 02:52:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_35_0 [2023-11-19 02:52:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:52:50,785 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:50,787 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:51,025 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:51,113 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:51,113 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:52:51,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:51 BoogieIcfgContainer [2023-11-19 02:52:51,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:51,119 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:51,119 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:51,130 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:51,130 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:51" (1/1) ... [2023-11-19 02:52:51,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:51,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:51,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-19 02:52:51,201 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-19 02:52:51,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:52:51,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:51,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:51,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 02:52:51,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:51,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2023-11-19 02:52:51,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2023-11-19 02:52:51,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,692 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 02:52:51,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-11-19 02:52:51,717 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 54 treesize of output 23 [2023-11-19 02:52:51,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2023-11-19 02:52:51,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2023-11-19 02:52:51,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2023-11-19 02:52:51,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 58 [2023-11-19 02:52:51,825 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:52:51,827 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2023-11-19 02:52:51,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 101 treesize of output 95 [2023-11-19 02:52:51,855 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 02:52:51,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2023-11-19 02:52:51,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 58 [2023-11-19 02:52:51,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 23 [2023-11-19 02:52:51,923 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 21 treesize of output 19 [2023-11-19 02:52:51,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2023-11-19 02:52:51,942 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:52:51,943 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2023-11-19 02:52:51,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 02:52:51,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 02:52:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:51,981 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-19 02:52:51,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 23 [2023-11-19 02:52:51,999 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 02:52:51,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-11-19 02:52:52,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2023-11-19 02:52:52,194 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 02:52:52,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:52,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 36 transitions. [2023-11-19 02:52:52,429 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-11-19 02:52:52,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:52:52,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:52,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:52,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 100 conjunts are in the unsatisfiable core [2023-11-19 02:52:52,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:52,804 INFO L349 Elim1Store]: treesize reduction 78, result has 16.1 percent of original size [2023-11-19 02:52:52,806 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 2 case distinctions, treesize of input 59 treesize of output 22 [2023-11-19 02:52:52,827 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 53 treesize of output 49 [2023-11-19 02:52:52,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:52,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:52,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:52,882 INFO L349 Elim1Store]: treesize reduction 69, result has 1.4 percent of original size [2023-11-19 02:52:52,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 22 [2023-11-19 02:52:52,919 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 02:52:52,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 70 [2023-11-19 02:52:52,969 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 21 treesize of output 19 [2023-11-19 02:52:52,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 22 [2023-11-19 02:52:53,043 INFO L349 Elim1Store]: treesize reduction 78, result has 16.1 percent of original size [2023-11-19 02:52:53,043 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 2 case distinctions, treesize of input 59 treesize of output 22 [2023-11-19 02:52:53,070 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 02:52:53,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-11-19 02:52:53,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:53,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:53,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:53,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 54 [2023-11-19 02:52:54,161 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:56,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 68 transitions. [2023-11-19 02:52:56,935 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2023-11-19 02:52:56,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:52:56,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:56,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:57,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 02:52:57,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:57,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:57,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:57,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:57,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:57,318 INFO L349 Elim1Store]: treesize reduction 188, result has 24.5 percent of original size [2023-11-19 02:52:57,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 130 treesize of output 333 [2023-11-19 02:52:57,371 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 02:52:57,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 138 [2023-11-19 02:52:57,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 15 [2023-11-19 02:52:57,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 15 [2023-11-19 02:52:57,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 33 treesize of output 50 [2023-11-19 02:52:57,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 33 treesize of output 50 [2023-11-19 02:52:57,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 33 treesize of output 50 [2023-11-19 02:52:57,934 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:52:57,935 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 206 [2023-11-19 02:52:58,261 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:52:58,262 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 206 [2023-11-19 02:52:58,441 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:52:58,442 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2023-11-19 02:52:58,520 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:52:58,522 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 355 [2023-11-19 02:52:58,975 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:52:58,981 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2023-11-19 02:52:59,121 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:52:59,123 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2023-11-19 02:52:59,262 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:52:59,263 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2023-11-19 02:52:59,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:59,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:59,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:52:59,457 INFO L349 Elim1Store]: treesize reduction 221, result has 18.5 percent of original size [2023-11-19 02:52:59,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 1435 treesize of output 1414 [2023-11-19 02:52:59,560 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 02:52:59,651 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 02:53:00,118 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-11-19 02:53:00,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 9 [2023-11-19 02:53:00,958 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:00,959 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2023-11-19 02:53:01,084 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:01,085 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2023-11-19 02:53:01,211 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:01,211 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2023-11-19 02:53:01,708 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:01,709 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2023-11-19 02:53:01,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:01,877 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-19 02:53:01,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 1 [2023-11-19 02:53:02,104 INFO L349 Elim1Store]: treesize reduction 69, result has 1.4 percent of original size [2023-11-19 02:53:02,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 94 treesize of output 63 [2023-11-19 02:53:02,111 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:02,113 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2023-11-19 02:53:02,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:03,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:03,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 89 transitions. [2023-11-19 02:53:03,567 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2023-11-19 02:53:03,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:53:03,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:03,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:03,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 02:53:03,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:03,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-19 02:53:03,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 17 [2023-11-19 02:53:03,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 17 treesize of output 15 [2023-11-19 02:53:03,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2023-11-19 02:53:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 34 treesize of output 42 [2023-11-19 02:53:03,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 17 [2023-11-19 02:53:03,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-19 02:53:03,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 02:53:03,777 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-19 02:53:03,782 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2023-11-19 02:53:03,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-19 02:53:03,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:03,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-19 02:53:03,813 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:03,813 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2023-11-19 02:53:03,819 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 02:53:04,369 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:23,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:23,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 54 states and 120 transitions. [2023-11-19 02:53:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 120 transitions. [2023-11-19 02:53:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:53:23,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:23,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:23,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 131 conjunts are in the unsatisfiable core [2023-11-19 02:53:23,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:23,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:23,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:23,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:23,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:23,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:23,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:24,757 INFO L349 Elim1Store]: treesize reduction 384, result has 24.0 percent of original size [2023-11-19 02:53:24,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 11 new quantified variables, introduced 8 case distinctions, treesize of input 286 treesize of output 1051 [2023-11-19 02:53:24,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 33 treesize of output 29 [2023-11-19 02:53:25,018 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 02:53:25,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 57 [2023-11-19 02:53:25,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 33 treesize of output 29 [2023-11-19 02:53:25,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 33 treesize of output 29 [2023-11-19 02:53:26,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 97 treesize of output 148 [2023-11-19 02:53:27,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 97 treesize of output 148 [2023-11-19 02:53:28,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 97 treesize of output 148 [2023-11-19 02:53:29,020 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:29,023 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 535 [2023-11-19 02:53:29,974 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:29,976 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 535 [2023-11-19 02:53:30,339 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:30,352 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1120 [2023-11-19 02:53:31,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:31,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:31,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:32,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:53:32,488 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:53:32,730 INFO L224 Elim1Store]: Index analysis took 941 ms [2023-11-19 02:53:33,083 INFO L349 Elim1Store]: treesize reduction 162, result has 9.5 percent of original size [2023-11-19 02:53:33,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 14 case distinctions, treesize of input 952 treesize of output 1139 [2023-11-19 02:53:38,508 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:38,510 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 427 [2023-11-19 02:53:38,873 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:38,875 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 410 [2023-11-19 02:53:39,210 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:39,213 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 869 [2023-11-19 02:53:40,973 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:40,978 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 879 [2023-11-19 02:53:42,293 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:42,299 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1042 [2023-11-19 02:53:43,326 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:43,338 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2423 [2023-11-19 02:53:45,696 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:45,707 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2585