./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi --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 0e4188e08c3f48775d359529becc8db180857d5f7b1b125f480e88f6efe9d6c3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:32,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:32,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:51:32,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:32,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:33,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:33,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:33,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:33,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:33,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:33,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:33,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:33,023 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:33,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:33,025 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:33,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:33,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:33,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:33,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:33,028 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:33,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:33,029 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:33,030 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:33,030 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:33,031 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:33,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:33,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:33,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:33,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:33,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:33,036 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:33,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:33,037 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:33,037 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_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e4188e08c3f48775d359529becc8db180857d5f7b1b125f480e88f6efe9d6c3 [2023-11-24 22:51:33,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:33,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:33,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:33,412 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:33,413 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:33,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo2-ll.c [2023-11-24 22:51:36,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:36,860 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:36,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/sv-benchmarks/c/recursified_nla-digbench/recursified_geo2-ll.c [2023-11-24 22:51:36,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi/data/7aa5bba32/92dcb7aa77fa4201a84d33e4ced294c2/FLAG84bd4d271 [2023-11-24 22:51:36,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi/data/7aa5bba32/92dcb7aa77fa4201a84d33e4ced294c2 [2023-11-24 22:51:36,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:36,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:36,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:36,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:36,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:36,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:36" (1/1) ... [2023-11-24 22:51:36,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343289ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:36, skipping insertion in model container [2023-11-24 22:51:36,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:36" (1/1) ... [2023-11-24 22:51:36,926 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:37,090 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_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/sv-benchmarks/c/recursified_nla-digbench/recursified_geo2-ll.c[1055,1068] [2023-11-24 22:51:37,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:37,116 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:37,129 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_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/sv-benchmarks/c/recursified_nla-digbench/recursified_geo2-ll.c[1055,1068] [2023-11-24 22:51:37,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:37,156 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:37,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:37 WrapperNode [2023-11-24 22:51:37,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:37,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:37,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:37,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:37,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:37" (1/1) ... [2023-11-24 22:51:37,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:37" (1/1) ... [2023-11-24 22:51:37,194 INFO L138 Inliner]: procedures = 16, calls = 51, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2023-11-24 22:51:37,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:37,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:37,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:37,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:37,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:37" (1/1) ... [2023-11-24 22:51:37,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:37" (1/1) ... [2023-11-24 22:51:37,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:37" (1/1) ... [2023-11-24 22:51:37,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:37" (1/1) ... [2023-11-24 22:51:37,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:37" (1/1) ... [2023-11-24 22:51:37,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:37" (1/1) ... [2023-11-24 22:51:37,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:37" (1/1) ... [2023-11-24 22:51:37,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:37" (1/1) ... [2023-11-24 22:51:37,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:37,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:37,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:37,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:37,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:37" (1/1) ... [2023-11-24 22:51:37,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:37,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:37,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:37,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedb33e9-c3d7-43fd-938c-56a5b9b238b2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:37,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:51:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:51:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_38_0 [2023-11-24 22:51:37,304 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_38_0 [2023-11-24 22:51:37,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:37,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:37,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:51:37,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:51:37,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:51:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:51:37,386 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:37,388 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:37,622 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:37,681 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:37,682 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:51:37,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:37 BoogieIcfgContainer [2023-11-24 22:51:37,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:37,685 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:37,687 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:37,698 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:37,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:37" (1/1) ... [2023-11-24 22:51:37,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:37,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-24 22:51:37,789 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-24 22:51:37,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:51:37,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:37,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:38,142 WARN L260 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-24 22:51:38,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:38,437 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-24 22:51:38,495 INFO L349 Elim1Store]: treesize reduction 50, result has 23.1 percent of original size [2023-11-24 22:51:38,497 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 [2023-11-24 22:51:38,550 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-24 22:51:38,572 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-24 22:51:38,598 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-24 22:51:38,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:38,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:38,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:38,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:38,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:38,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:38,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:38,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 22 [2023-11-24 22:51:38,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:38,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:38,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:38,735 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-24 22:51:38,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 41 [2023-11-24 22:51:38,796 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-24 22:51:38,817 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-24 22:51:38,853 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-24 22:51:38,865 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-24 22:51:38,881 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-24 22:51:39,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2023-11-24 22:51:39,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:51:39,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:39,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2023-11-24 22:51:39,639 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-24 22:51:39,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:51:39,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:39,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:39,912 WARN L260 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 132 conjunts are in the unsatisfiable core [2023-11-24 22:51:39,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:39,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:39,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:39,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:39,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:39,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:39,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:51:39,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 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 199 treesize of output 106 [2023-11-24 22:51:39,994 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:51:39,996 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2023-11-24 22:51:40,000 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-24 22:51:40,019 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-24 22:51:40,034 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:51:40,035 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:51:40,036 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:51:40,041 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-24 22:51:40,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:51:40,480 INFO L349 Elim1Store]: treesize reduction 219, result has 40.8 percent of original size [2023-11-24 22:51:40,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 30 case distinctions, treesize of input 319 treesize of output 523 [2023-11-24 22:51:40,537 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:51:40,538 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2023-11-24 22:51:40,599 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:51:40,602 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 250 [2023-11-24 22:51:40,648 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 42 [2023-11-24 22:51:41,445 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:51:41,448 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2023-11-24 22:51:41,517 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:51:41,523 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2023-11-24 22:51:42,201 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 250 treesize of output 238 [2023-11-24 22:51:42,668 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:51:42,671 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 217 [2023-11-24 22:51:42,891 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1856 treesize of output 1812 [2023-11-24 22:51:50,482 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 22:51:58,463 INFO L349 Elim1Store]: treesize reduction 245, result has 37.0 percent of original size [2023-11-24 22:51:58,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 27 case distinctions, treesize of input 24517 treesize of output 24268 [2023-11-24 22:52:07,415 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 7220 treesize of output 7218 [2023-11-24 22:52:14,174 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 7218 treesize of output 7216 [2023-11-24 22:52:20,988 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 7216 treesize of output 7214