./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e4188e08c3f48775d359529becc8db180857d5f7b1b125f480e88f6efe9d6c3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:33:16,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:16,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 20:33:16,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:16,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:16,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:16,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:16,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:16,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:16,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:16,397 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:16,398 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:16,398 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:16,400 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:33:16,401 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:16,401 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:16,402 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:33:16,402 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:33:16,403 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:16,403 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:33:16,404 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:33:16,404 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:33:16,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:16,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:16,407 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:33:16,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:33:16,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:33:16,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:16,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:16,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:16,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:16,410 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:33:16,411 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:33:16,411 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:33:16,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:16,411 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:16,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:16,412 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:33:16,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:16,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:16,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:16,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:16,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:16,414 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:33:16,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:33:16,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:16,415 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:16,415 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:16,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:16,416 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e4188e08c3f48775d359529becc8db180857d5f7b1b125f480e88f6efe9d6c3 [2023-11-23 20:33:16,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:16,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:16,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:16,798 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:16,799 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:16,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo2-ll.c [2023-11-23 20:33:19,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:20,168 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:20,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/sv-benchmarks/c/recursified_nla-digbench/recursified_geo2-ll.c [2023-11-23 20:33:20,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/data/b074d47d1/818324c8e3304b19a192d27c59ebadea/FLAGa82f9c154 [2023-11-23 20:33:20,194 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/data/b074d47d1/818324c8e3304b19a192d27c59ebadea [2023-11-23 20:33:20,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:20,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:20,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:20,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:20,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:20,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:20" (1/1) ... [2023-11-23 20:33:20,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75610968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:20, skipping insertion in model container [2023-11-23 20:33:20,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:20" (1/1) ... [2023-11-23 20:33:20,242 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:20,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:20,452 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:33:20,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:20,486 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:33:20,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:20 WrapperNode [2023-11-23 20:33:20,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:20,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:20,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:33:20,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:33:20,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:20" (1/1) ... [2023-11-23 20:33:20,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:20" (1/1) ... [2023-11-23 20:33:20,523 INFO L138 Inliner]: procedures = 16, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-11-23 20:33:20,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:20,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:33:20,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:33:20,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:33:20,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:20" (1/1) ... [2023-11-23 20:33:20,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:20" (1/1) ... [2023-11-23 20:33:20,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:20" (1/1) ... [2023-11-23 20:33:20,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:20" (1/1) ... [2023-11-23 20:33:20,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:20" (1/1) ... [2023-11-23 20:33:20,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:20" (1/1) ... [2023-11-23 20:33:20,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:20" (1/1) ... [2023-11-23 20:33:20,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:20" (1/1) ... [2023-11-23 20:33:20,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:33:20,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:33:20,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:33:20,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:33:20,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:20" (1/1) ... [2023-11-23 20:33:20,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:20,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:20,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:33:20,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:33:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:33:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:33:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:33:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:33:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_38_0 [2023-11-23 20:33:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_38_0 [2023-11-23 20:33:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:33:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:33:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:33:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:33:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:33:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:33:20,731 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:33:20,733 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:33:21,077 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:21,152 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:21,153 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:33:21,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:21 BoogieIcfgContainer [2023-11-23 20:33:21,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:21,162 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:21,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:21,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:21,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:33:20" (1/3) ... [2023-11-23 20:33:21,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c16a728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:21, skipping insertion in model container [2023-11-23 20:33:21,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:20" (2/3) ... [2023-11-23 20:33:21,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c16a728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:21, skipping insertion in model container [2023-11-23 20:33:21,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:21" (3/3) ... [2023-11-23 20:33:21,177 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_geo2-ll.c [2023-11-23 20:33:21,215 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:33:21,215 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-11-23 20:33:21,265 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:33:21,272 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56ada37a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:33:21,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2023-11-23 20:33:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 37 states have (on average 1.8108108108108107) internal successors, (67), 66 states have internal predecessors, (67), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 20:33:21,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:33:21,286 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:21,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-23 20:33:21,287 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:21,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:21,293 INFO L85 PathProgramCache]: Analyzing trace with hash 125718117, now seen corresponding path program 1 times [2023-11-23 20:33:21,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:21,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127592562] [2023-11-23 20:33:21,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:21,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:21,469 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:21,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1377134521] [2023-11-23 20:33:21,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:21,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:21,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:21,479 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:21,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:33:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:21,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-23 20:33:21,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:21,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:21,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:21,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:21,803 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 30 [2023-11-23 20:33:21,836 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-23 20:33:21,837 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 40 treesize of output 34 [2023-11-23 20:33:21,849 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 25 treesize of output 23 [2023-11-23 20:33:21,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:21,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:21,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:21,888 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 35 [2023-11-23 20:33:21,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:21,923 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-23 20:33:21,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 49 [2023-11-23 20:33:21,953 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 30 treesize of output 23 [2023-11-23 20:33:22,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 12 [2023-11-23 20:33:22,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:22,079 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:22,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:22,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127592562] [2023-11-23 20:33:22,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:22,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377134521] [2023-11-23 20:33:22,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377134521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:22,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:22,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:33:22,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551950622] [2023-11-23 20:33:22,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:22,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:33:22,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:22,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:33:22,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:33:22,128 INFO L87 Difference]: Start difference. First operand has 72 states, 37 states have (on average 1.8108108108108107) internal successors, (67), 66 states have internal predecessors, (67), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:22,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:22,457 INFO L93 Difference]: Finished difference Result 154 states and 161 transitions. [2023-11-23 20:33:22,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:33:22,460 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-23 20:33:22,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:22,470 INFO L225 Difference]: With dead ends: 154 [2023-11-23 20:33:22,471 INFO L226 Difference]: Without dead ends: 119 [2023-11-23 20:33:22,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:33:22,478 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 92 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:22,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 243 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:33:22,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-23 20:33:22,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 86. [2023-11-23 20:33:22,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.7254901960784315) internal successors, (88), 79 states have internal predecessors, (88), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-23 20:33:22,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2023-11-23 20:33:22,535 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 5 [2023-11-23 20:33:22,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:22,536 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2023-11-23 20:33:22,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:22,536 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2023-11-23 20:33:22,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:33:22,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:22,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-23 20:33:22,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:22,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:22,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:22,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:22,753 INFO L85 PathProgramCache]: Analyzing trace with hash -397705632, now seen corresponding path program 1 times [2023-11-23 20:33:22,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:22,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686892469] [2023-11-23 20:33:22,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:22,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:22,793 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:22,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [380550264] [2023-11-23 20:33:22,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:22,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:22,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:22,802 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:22,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 20:33:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:22,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-23 20:33:22,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:23,058 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:23,082 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:23,113 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:23,124 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:23,151 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:23,162 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:23,173 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:23,219 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:23,230 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:23,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:23,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:23,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:23,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:23,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:23,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:23,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:23,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:23,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:23,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:23,284 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 [2023-11-23 20:33:23,326 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-23 20:33:23,327 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 [2023-11-23 20:33:23,718 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 [2023-11-23 20:33:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:23,744 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:23,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:23,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686892469] [2023-11-23 20:33:23,751 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:23,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380550264] [2023-11-23 20:33:23,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380550264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:23,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:23,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:33:23,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26262763] [2023-11-23 20:33:23,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:23,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:33:23,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:23,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:33:23,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:33:23,757 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:24,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:24,211 INFO L93 Difference]: Finished difference Result 119 states and 121 transitions. [2023-11-23 20:33:24,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:33:24,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-23 20:33:24,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:24,214 INFO L225 Difference]: With dead ends: 119 [2023-11-23 20:33:24,214 INFO L226 Difference]: Without dead ends: 117 [2023-11-23 20:33:24,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:33:24,216 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 84 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:24,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 237 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 20:33:24,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-23 20:33:24,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 86. [2023-11-23 20:33:24,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.6862745098039216) internal successors, (86), 79 states have internal predecessors, (86), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-23 20:33:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions. [2023-11-23 20:33:24,250 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 6 [2023-11-23 20:33:24,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:24,251 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 95 transitions. [2023-11-23 20:33:24,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:24,251 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2023-11-23 20:33:24,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:33:24,252 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:24,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:24,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:24,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:24,467 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting func_to_recursive_line_30_to_38_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:24,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:24,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1766325545, now seen corresponding path program 1 times [2023-11-23 20:33:24,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:24,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414635253] [2023-11-23 20:33:24,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:24,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:24,510 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:24,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [437044854] [2023-11-23 20:33:24,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:24,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:24,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:24,514 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:24,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 20:33:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:24,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:33:24,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:24,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,641 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 32 treesize of output 40 [2023-11-23 20:33:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,655 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 [2023-11-23 20:33:24,672 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 1 [2023-11-23 20:33:24,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,701 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 [2023-11-23 20:33:24,712 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 1 [2023-11-23 20:33:24,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:33:24,753 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 1 [2023-11-23 20:33:24,774 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 1 [2023-11-23 20:33:24,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,798 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 32 treesize of output 40 [2023-11-23 20:33:24,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,821 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 [2023-11-23 20:33:24,832 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 13 treesize of output 1 [2023-11-23 20:33:24,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,861 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 [2023-11-23 20:33:24,876 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 1 [2023-11-23 20:33:24,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:33:24,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 17 [2023-11-23 20:33:24,909 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 [2023-11-23 20:33:24,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 43 treesize of output 22 [2023-11-23 20:33:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,931 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 [2023-11-23 20:33:24,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,952 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 45 treesize of output 45 [2023-11-23 20:33:24,967 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:24,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:24,982 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 50 treesize of output 50 [2023-11-23 20:33:25,001 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:25,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,016 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 45 treesize of output 45 [2023-11-23 20:33:25,031 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,032 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:33:25,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 43 treesize of output 22 [2023-11-23 20:33:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,064 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 [2023-11-23 20:33:25,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 17 [2023-11-23 20:33:25,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,085 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 [2023-11-23 20:33:25,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,121 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 50 treesize of output 50 [2023-11-23 20:33:25,140 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,141 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,153 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 45 treesize of output 45 [2023-11-23 20:33:25,168 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:25,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,185 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 45 treesize of output 45 [2023-11-23 20:33:25,202 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 40 [2023-11-23 20:33:25,243 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,261 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 45 treesize of output 45 [2023-11-23 20:33:25,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,278 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 49 treesize of output 50 [2023-11-23 20:33:25,288 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,289 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 40 [2023-11-23 20:33:25,309 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:25,325 INFO L349 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2023-11-23 20:33:25,326 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 2 case distinctions, treesize of input 27 treesize of output 21 [2023-11-23 20:33:25,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,335 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 [2023-11-23 20:33:25,345 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 [2023-11-23 20:33:25,358 INFO L349 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2023-11-23 20:33:25,358 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 2 case distinctions, treesize of input 22 treesize of output 16 [2023-11-23 20:33:25,361 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,382 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 45 treesize of output 45 [2023-11-23 20:33:25,397 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:25,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,414 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 50 treesize of output 50 [2023-11-23 20:33:25,423 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,424 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,425 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:33:25,457 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:25,469 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:25,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,482 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 32 treesize of output 40 [2023-11-23 20:33:25,493 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,494 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,500 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,501 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,515 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 32 treesize of output 40 [2023-11-23 20:33:25,523 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,524 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,528 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:33:25,544 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,553 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:33:25,576 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:25,588 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:25,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,600 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 45 treesize of output 45 [2023-11-23 20:33:25,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,613 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 49 treesize of output 50 [2023-11-23 20:33:25,620 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,621 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:33:25,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 43 treesize of output 22 [2023-11-23 20:33:25,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,652 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 [2023-11-23 20:33:25,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 17 [2023-11-23 20:33:25,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,670 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 [2023-11-23 20:33:25,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,683 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 32 treesize of output 40 [2023-11-23 20:33:25,695 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,701 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,716 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 32 treesize of output 40 [2023-11-23 20:33:25,723 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,724 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,729 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,730 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:33:25,749 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:25,761 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:25,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,775 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 32 treesize of output 40 [2023-11-23 20:33:25,791 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:25,803 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:25,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,825 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 37 treesize of output 45 [2023-11-23 20:33:25,835 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,836 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,843 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,844 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,859 INFO L349 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2023-11-23 20:33:25,859 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 2 case distinctions, treesize of input 27 treesize of output 21 [2023-11-23 20:33:25,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,868 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 [2023-11-23 20:33:25,880 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 [2023-11-23 20:33:25,900 INFO L349 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2023-11-23 20:33:25,901 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 2 case distinctions, treesize of input 22 treesize of output 16 [2023-11-23 20:33:25,904 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,925 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 45 treesize of output 45 [2023-11-23 20:33:25,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,962 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 49 treesize of output 50 [2023-11-23 20:33:25,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,972 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:25,988 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 50 treesize of output 50 [2023-11-23 20:33:25,995 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,996 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:25,997 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,018 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 50 treesize of output 50 [2023-11-23 20:33:26,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,041 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 54 treesize of output 55 [2023-11-23 20:33:26,052 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,065 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 45 treesize of output 45 [2023-11-23 20:33:26,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,078 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 49 treesize of output 50 [2023-11-23 20:33:26,084 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,085 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,106 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 50 treesize of output 50 [2023-11-23 20:33:26,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,126 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 54 treesize of output 55 [2023-11-23 20:33:26,135 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,136 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,137 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 55 [2023-11-23 20:33:26,170 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,171 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,172 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,173 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,188 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 32 treesize of output 40 [2023-11-23 20:33:26,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,217 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 48 treesize of output 24 [2023-11-23 20:33:26,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,224 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 10 treesize of output 8 [2023-11-23 20:33:26,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,231 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 [2023-11-23 20:33:26,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,242 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 [2023-11-23 20:33:26,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,257 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 10 treesize of output 8 [2023-11-23 20:33:26,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,264 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 [2023-11-23 20:33:26,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:26,279 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 37 treesize of output 45 [2023-11-23 20:33:26,291 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,292 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,298 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,299 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:26,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:26,414 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:26,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:26,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414635253] [2023-11-23 20:33:26,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:26,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437044854] [2023-11-23 20:33:26,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437044854] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:26,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:26,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:33:26,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697078298] [2023-11-23 20:33:26,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:26,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 20:33:26,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:26,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 20:33:26,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:33:26,418 INFO L87 Difference]: Start difference. First operand 86 states and 95 transitions. Second operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:26,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:26,615 INFO L93 Difference]: Finished difference Result 117 states and 119 transitions. [2023-11-23 20:33:26,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 20:33:26,616 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-23 20:33:26,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:26,617 INFO L225 Difference]: With dead ends: 117 [2023-11-23 20:33:26,617 INFO L226 Difference]: Without dead ends: 116 [2023-11-23 20:33:26,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-23 20:33:26,619 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 86 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:26,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 246 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:33:26,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-23 20:33:26,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 86. [2023-11-23 20:33:26,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.6666666666666667) internal successors, (85), 79 states have internal predecessors, (85), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-23 20:33:26,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2023-11-23 20:33:26,632 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 9 [2023-11-23 20:33:26,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:26,633 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2023-11-23 20:33:26,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:26,633 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2023-11-23 20:33:26,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:33:26,634 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:26,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:26,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:26,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:26,851 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting func_to_recursive_line_30_to_38_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:26,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:26,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1078482908, now seen corresponding path program 1 times [2023-11-23 20:33:26,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:26,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855523105] [2023-11-23 20:33:26,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:26,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:26,880 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:26,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [817212920] [2023-11-23 20:33:26,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:26,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:26,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:26,882 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:26,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 20:33:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:26,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-23 20:33:26,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,043 INFO L349 Elim1Store]: treesize reduction 44, result has 15.4 percent of original size [2023-11-23 20:33:27,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 79 [2023-11-23 20:33:27,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,086 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 1 [2023-11-23 20:33:27,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,182 INFO L349 Elim1Store]: treesize reduction 74, result has 12.9 percent of original size [2023-11-23 20:33:27,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 173 treesize of output 186 [2023-11-23 20:33:27,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,283 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 91 treesize of output 61 [2023-11-23 20:33:27,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,293 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 57 [2023-11-23 20:33:27,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,312 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 11 treesize of output 15 [2023-11-23 20:33:27,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,326 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 34 treesize of output 30 [2023-11-23 20:33:27,331 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 [2023-11-23 20:33:27,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,379 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 70 treesize of output 46 [2023-11-23 20:33:27,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,392 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 41 [2023-11-23 20:33:27,399 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 35 treesize of output 31 [2023-11-23 20:33:27,405 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 [2023-11-23 20:33:27,412 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 [2023-11-23 20:33:27,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,484 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-11-23 20:33:27,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 62 [2023-11-23 20:33:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,537 INFO L349 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2023-11-23 20:33:27,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 89 [2023-11-23 20:33:27,549 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:27,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 48 [2023-11-23 20:33:27,564 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 0 case distinctions, treesize of input 14 treesize of output 11 [2023-11-23 20:33:27,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 29 treesize of output 12 [2023-11-23 20:33:27,633 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 [2023-11-23 20:33:27,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,737 INFO L349 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2023-11-23 20:33:27,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 51 [2023-11-23 20:33:27,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,754 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2023-11-23 20:33:27,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 20 [2023-11-23 20:33:27,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,773 INFO L349 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2023-11-23 20:33:27,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 1 [2023-11-23 20:33:27,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,802 INFO L349 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2023-11-23 20:33:27,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 1 [2023-11-23 20:33:27,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,831 INFO L349 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2023-11-23 20:33:27,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 88 treesize of output 1 [2023-11-23 20:33:27,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,864 INFO L349 Elim1Store]: treesize reduction 237, result has 0.4 percent of original size [2023-11-23 20:33:27,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 14 case distinctions, treesize of input 402 treesize of output 1 [2023-11-23 20:33:27,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,884 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2023-11-23 20:33:27,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 1 [2023-11-23 20:33:27,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,915 INFO L349 Elim1Store]: treesize reduction 113, result has 0.9 percent of original size [2023-11-23 20:33:27,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 183 treesize of output 1 [2023-11-23 20:33:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,939 INFO L349 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2023-11-23 20:33:27,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 1 [2023-11-23 20:33:27,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,970 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2023-11-23 20:33:27,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 1 [2023-11-23 20:33:27,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:27,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,006 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2023-11-23 20:33:28,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 90 treesize of output 1 [2023-11-23 20:33:28,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,035 INFO L349 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2023-11-23 20:33:28,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 1 [2023-11-23 20:33:28,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,052 INFO L349 Elim1Store]: treesize reduction 93, result has 1.1 percent of original size [2023-11-23 20:33:28,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 119 treesize of output 131 [2023-11-23 20:33:28,127 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 307 treesize of output 270 [2023-11-23 20:33:28,137 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:28,138 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:28,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,204 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 307 treesize of output 270 [2023-11-23 20:33:28,214 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:28,215 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:28,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,258 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2023-11-23 20:33:28,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 1 [2023-11-23 20:33:28,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,271 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:28,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 51 [2023-11-23 20:33:28,277 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:28,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,300 INFO L349 Elim1Store]: treesize reduction 103, result has 1.0 percent of original size [2023-11-23 20:33:28,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 168 treesize of output 160 [2023-11-23 20:33:28,334 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 363 treesize of output 326 [2023-11-23 20:33:28,347 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:28,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,389 INFO L349 Elim1Store]: treesize reduction 132, result has 0.8 percent of original size [2023-11-23 20:33:28,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 178 treesize of output 1 [2023-11-23 20:33:28,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,406 INFO L349 Elim1Store]: treesize reduction 93, result has 1.1 percent of original size [2023-11-23 20:33:28,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 119 treesize of output 131 [2023-11-23 20:33:28,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,459 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 307 treesize of output 270 [2023-11-23 20:33:28,468 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:28,469 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:28,502 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 307 treesize of output 270 [2023-11-23 20:33:28,511 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:28,512 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:28,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,546 INFO L349 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2023-11-23 20:33:28,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 116 treesize of output 137 [2023-11-23 20:33:28,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,582 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:28,596 INFO L349 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2023-11-23 20:33:28,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 208 treesize of output 1 [2023-11-23 20:33:28,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:28,621 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:28,632 INFO L349 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2023-11-23 20:33:28,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 116 treesize of output 1 [2023-11-23 20:33:28,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:28,776 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:28,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:28,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855523105] [2023-11-23 20:33:28,777 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:28,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817212920] [2023-11-23 20:33:28,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817212920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:28,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:28,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:33:28,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873960955] [2023-11-23 20:33:28,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:28,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:33:28,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:28,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:33:28,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:33:28,781 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand has 6 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:28,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:28,968 INFO L93 Difference]: Finished difference Result 116 states and 118 transitions. [2023-11-23 20:33:28,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:33:28,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-23 20:33:28,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:28,970 INFO L225 Difference]: With dead ends: 116 [2023-11-23 20:33:28,970 INFO L226 Difference]: Without dead ends: 115 [2023-11-23 20:33:28,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:33:28,972 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 70 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:28,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 247 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:33:28,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-23 20:33:28,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 86. [2023-11-23 20:33:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 79 states have internal predecessors, (84), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-23 20:33:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 93 transitions. [2023-11-23 20:33:28,986 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 93 transitions. Word has length 10 [2023-11-23 20:33:28,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:28,986 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 93 transitions. [2023-11-23 20:33:28,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:28,986 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2023-11-23 20:33:28,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:33:28,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:28,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:29,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:29,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:29,208 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting func_to_recursive_line_30_to_38_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:29,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:29,209 INFO L85 PathProgramCache]: Analyzing trace with hash 926768267, now seen corresponding path program 1 times [2023-11-23 20:33:29,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:29,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830305177] [2023-11-23 20:33:29,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:29,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:29,261 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:29,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1666320147] [2023-11-23 20:33:29,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:29,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:29,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:29,268 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:29,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 20:33:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:29,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-23 20:33:29,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:29,410 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 0 case distinctions, treesize of input 44 treesize of output 36 [2023-11-23 20:33:29,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:29,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:29,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:29,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:29,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:29,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:29,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:29,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:29,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:29,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:29,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:29,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:29,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2023-11-23 20:33:29,447 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 [2023-11-23 20:33:29,460 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-23 20:33:29,461 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 [2023-11-23 20:33:29,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 12 [2023-11-23 20:33:29,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:29,580 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:29,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:29,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830305177] [2023-11-23 20:33:29,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:29,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666320147] [2023-11-23 20:33:29,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666320147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:29,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:29,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:33:29,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989588683] [2023-11-23 20:33:29,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:29,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:33:29,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:29,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:33:29,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:33:29,583 INFO L87 Difference]: Start difference. First operand 86 states and 93 transitions. Second operand has 6 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:29,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:29,812 INFO L93 Difference]: Finished difference Result 115 states and 117 transitions. [2023-11-23 20:33:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:33:29,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-23 20:33:29,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:29,814 INFO L225 Difference]: With dead ends: 115 [2023-11-23 20:33:29,814 INFO L226 Difference]: Without dead ends: 114 [2023-11-23 20:33:29,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:33:29,815 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 64 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:29,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 249 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:33:29,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-23 20:33:29,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 86. [2023-11-23 20:33:29,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.6274509803921569) internal successors, (83), 79 states have internal predecessors, (83), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-23 20:33:29,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 92 transitions. [2023-11-23 20:33:29,839 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 92 transitions. Word has length 11 [2023-11-23 20:33:29,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:29,839 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 92 transitions. [2023-11-23 20:33:29,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2023-11-23 20:33:29,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:33:29,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:29,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:29,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:30,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:30,059 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting func_to_recursive_line_30_to_38_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:30,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:30,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1334954746, now seen corresponding path program 1 times [2023-11-23 20:33:30,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:30,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209842413] [2023-11-23 20:33:30,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:30,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:30,091 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:30,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1123820295] [2023-11-23 20:33:30,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:30,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:30,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:30,108 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:30,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 20:33:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:30,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-23 20:33:30,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:30,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:30,253 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 0 case distinctions, treesize of input 70 treesize of output 37 [2023-11-23 20:33:30,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:30,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:30,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:30,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:30,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:30,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:30,270 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 27 treesize of output 24 [2023-11-23 20:33:30,280 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-23 20:33:30,280 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 [2023-11-23 20:33:30,290 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 [2023-11-23 20:33:30,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 10 [2023-11-23 20:33:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:30,418 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:30,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:30,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209842413] [2023-11-23 20:33:30,419 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:30,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123820295] [2023-11-23 20:33:30,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123820295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:30,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:30,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:33:30,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506408615] [2023-11-23 20:33:30,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:30,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:33:30,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:30,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:33:30,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:33:30,422 INFO L87 Difference]: Start difference. First operand 86 states and 92 transitions. Second operand has 6 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:30,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:30,661 INFO L93 Difference]: Finished difference Result 114 states and 116 transitions. [2023-11-23 20:33:30,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:33:30,662 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-23 20:33:30,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:30,663 INFO L225 Difference]: With dead ends: 114 [2023-11-23 20:33:30,663 INFO L226 Difference]: Without dead ends: 113 [2023-11-23 20:33:30,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:33:30,664 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 60 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:30,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 251 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:33:30,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-23 20:33:30,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 86. [2023-11-23 20:33:30,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.607843137254902) internal successors, (82), 79 states have internal predecessors, (82), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-23 20:33:30,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2023-11-23 20:33:30,686 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 12 [2023-11-23 20:33:30,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:30,687 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2023-11-23 20:33:30,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2023-11-23 20:33:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:33:30,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:30,688 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:30,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:30,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:30,903 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting func_to_recursive_line_30_to_38_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:30,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:30,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1566075885, now seen corresponding path program 1 times [2023-11-23 20:33:30,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:30,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142532371] [2023-11-23 20:33:30,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:30,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:30,924 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:30,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2024150265] [2023-11-23 20:33:30,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:30,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:30,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:30,926 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:30,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 20:33:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:31,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-23 20:33:31,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:31,063 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 0 case distinctions, treesize of input 76 treesize of output 52 [2023-11-23 20:33:31,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:31,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:31,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:31,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:31,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:31,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:31,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:31,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:31,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:31,087 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 27 treesize of output 22 [2023-11-23 20:33:31,089 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 [2023-11-23 20:33:31,094 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 [2023-11-23 20:33:31,108 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-23 20:33:31,109 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 [2023-11-23 20:33:31,413 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 29 treesize of output 13 [2023-11-23 20:33:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:31,449 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:31,449 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:31,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142532371] [2023-11-23 20:33:31,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:31,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024150265] [2023-11-23 20:33:31,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024150265] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:31,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:31,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:33:31,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939764867] [2023-11-23 20:33:31,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:31,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 20:33:31,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:31,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 20:33:31,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:33:31,453 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:31,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:31,891 INFO L93 Difference]: Finished difference Result 113 states and 115 transitions. [2023-11-23 20:33:31,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:33:31,892 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-23 20:33:31,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:31,893 INFO L225 Difference]: With dead ends: 113 [2023-11-23 20:33:31,893 INFO L226 Difference]: Without dead ends: 112 [2023-11-23 20:33:31,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:33:31,894 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 64 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:31,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 313 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:33:31,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-23 20:33:31,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 86. [2023-11-23 20:33:31,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.588235294117647) internal successors, (81), 79 states have internal predecessors, (81), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-23 20:33:31,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 90 transitions. [2023-11-23 20:33:31,909 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 90 transitions. Word has length 13 [2023-11-23 20:33:31,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:31,909 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 90 transitions. [2023-11-23 20:33:31,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:31,910 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2023-11-23 20:33:31,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:33:31,910 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:31,911 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:31,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:32,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:32,129 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting func_to_recursive_line_30_to_38_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:32,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:32,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1303712232, now seen corresponding path program 1 times [2023-11-23 20:33:32,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:32,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536810442] [2023-11-23 20:33:32,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:32,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:32,160 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:32,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549890877] [2023-11-23 20:33:32,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:32,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:32,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:32,169 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:32,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 20:33:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:32,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-23 20:33:32,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:32,300 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 0 case distinctions, treesize of input 147 treesize of output 91 [2023-11-23 20:33:32,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:32,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:32,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:32,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:32,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:32,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:32,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:32,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:32,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:32,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:32,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:32,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:32,323 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 30 treesize of output 30 [2023-11-23 20:33:32,335 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-23 20:33:32,336 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 [2023-11-23 20:33:32,344 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 [2023-11-23 20:33:32,369 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 [2023-11-23 20:33:32,376 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 [2023-11-23 20:33:32,903 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 [2023-11-23 20:33:32,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:32,949 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:32,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:32,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536810442] [2023-11-23 20:33:32,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:32,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549890877] [2023-11-23 20:33:32,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549890877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:32,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:32,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:33:32,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614963346] [2023-11-23 20:33:32,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:32,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 20:33:32,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:32,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 20:33:32,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:33:32,952 INFO L87 Difference]: Start difference. First operand 86 states and 90 transitions. Second operand has 8 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:33,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:33,682 INFO L93 Difference]: Finished difference Result 112 states and 114 transitions. [2023-11-23 20:33:33,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:33:33,683 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-23 20:33:33,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:33,684 INFO L225 Difference]: With dead ends: 112 [2023-11-23 20:33:33,684 INFO L226 Difference]: Without dead ends: 111 [2023-11-23 20:33:33,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-11-23 20:33:33,685 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 59 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:33,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 315 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 20:33:33,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-23 20:33:33,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2023-11-23 20:33:33,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.5686274509803921) internal successors, (80), 79 states have internal predecessors, (80), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-23 20:33:33,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 89 transitions. [2023-11-23 20:33:33,696 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 89 transitions. Word has length 14 [2023-11-23 20:33:33,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:33,696 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 89 transitions. [2023-11-23 20:33:33,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:33:33,697 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 89 transitions. [2023-11-23 20:33:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:33:33,698 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:33,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:33,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:33,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:33,918 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting func_to_recursive_line_30_to_38_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:33,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:33,919 INFO L85 PathProgramCache]: Analyzing trace with hash -2042628172, now seen corresponding path program 1 times [2023-11-23 20:33:33,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:33,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312726225] [2023-11-23 20:33:33,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:33,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:33,945 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:33,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [944010688] [2023-11-23 20:33:33,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:33,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:33,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:33,947 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:33,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-23 20:33:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:34,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:33:34,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:34,090 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-23 20:33:34,091 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 2 case distinctions, treesize of input 20 treesize of output 27 [2023-11-23 20:33:34,099 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-23 20:33:34,105 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 54 treesize of output 54 [2023-11-23 20:33:34,117 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 1 [2023-11-23 20:33:34,142 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 54 treesize of output 54 [2023-11-23 20:33:34,152 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 1 [2023-11-23 20:33:34,179 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 94 treesize of output 78 [2023-11-23 20:33:34,193 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 1 [2023-11-23 20:33:34,260 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-23 20:33:34,260 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 2 case distinctions, treesize of input 20 treesize of output 27 [2023-11-23 20:33:34,270 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-23 20:33:34,276 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 57 treesize of output 57 [2023-11-23 20:33:34,282 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 30 treesize of output 30 [2023-11-23 20:33:34,291 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 1 [2023-11-23 20:33:34,322 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 36 treesize of output 36 [2023-11-23 20:33:34,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,327 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-23 20:33:34,337 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-23 20:33:34,337 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 1 case distinctions, treesize of input 14 treesize of output 18 [2023-11-23 20:33:34,364 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-23 20:33:34,365 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 2 case distinctions, treesize of input 15 treesize of output 22 [2023-11-23 20:33:34,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:33:34,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,382 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 19 treesize of output 8 [2023-11-23 20:33:34,384 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 [2023-11-23 20:33:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,391 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-11-23 20:33:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,398 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:34,398 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:34,408 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:34,408 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,413 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-23 20:33:34,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,416 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 [2023-11-23 20:33:34,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,426 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 19 treesize of output 8 [2023-11-23 20:33:34,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,430 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 [2023-11-23 20:33:34,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,435 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-11-23 20:33:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,440 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:34,441 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,446 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-11-23 20:33:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,452 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:34,452 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:34,460 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:34,461 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:34,470 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:34,470 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,475 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-23 20:33:34,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,478 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 [2023-11-23 20:33:34,484 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 36 treesize of output 36 [2023-11-23 20:33:34,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 14 treesize of output 1 [2023-11-23 20:33:34,499 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:34,500 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,521 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 19 treesize of output 8 [2023-11-23 20:33:34,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,525 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 [2023-11-23 20:33:34,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,530 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-11-23 20:33:34,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,535 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:34,536 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:34,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,541 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-23 20:33:34,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,545 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 [2023-11-23 20:33:34,553 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:34,553 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:34,568 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 40 treesize of output 48 [2023-11-23 20:33:34,577 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:34,585 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 63 treesize of output 63 [2023-11-23 20:33:34,597 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:34,607 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 102 treesize of output 86 [2023-11-23 20:33:34,620 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:34,626 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 40 treesize of output 48 [2023-11-23 20:33:34,635 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:34,646 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 63 treesize of output 63 [2023-11-23 20:33:34,658 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:34,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 91 [2023-11-23 20:33:34,687 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:34,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43 [2023-11-23 20:33:34,704 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:34,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,737 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 37 treesize of output 45 [2023-11-23 20:33:34,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,747 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 44 treesize of output 20 [2023-11-23 20:33:34,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,758 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:34,759 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:34,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,770 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:34,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 1 [2023-11-23 20:33:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,777 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:34,778 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:34,786 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 58 treesize of output 58 [2023-11-23 20:33:34,797 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:34,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43 [2023-11-23 20:33:34,810 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:34,821 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 58 treesize of output 58 [2023-11-23 20:33:34,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,833 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 44 treesize of output 20 [2023-11-23 20:33:34,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,847 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:34,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 1 [2023-11-23 20:33:34,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,854 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:34,855 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:34,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,862 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:34,862 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:34,871 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 102 treesize of output 86 [2023-11-23 20:33:34,885 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:34,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,902 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 26 treesize of output 8 [2023-11-23 20:33:34,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,907 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 [2023-11-23 20:33:34,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,915 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 24 treesize of output 11 [2023-11-23 20:33:34,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,922 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:34,923 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:34,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43 [2023-11-23 20:33:34,936 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:34,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,945 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 37 treesize of output 45 [2023-11-23 20:33:34,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,954 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 44 treesize of output 20 [2023-11-23 20:33:34,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,963 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:34,964 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:34,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,970 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:34,971 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:34,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,980 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:34,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 1 [2023-11-23 20:33:34,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,990 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 8 [2023-11-23 20:33:34,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:34,994 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 [2023-11-23 20:33:34,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43 [2023-11-23 20:33:35,005 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2023-11-23 20:33:35,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,022 INFO L349 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2023-11-23 20:33:35,022 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 2 case distinctions, treesize of input 14 treesize of output 1 [2023-11-23 20:33:35,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,030 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 8 [2023-11-23 20:33:35,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,034 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 [2023-11-23 20:33:35,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2023-11-23 20:33:35,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,048 INFO L349 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2023-11-23 20:33:35,048 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 2 case distinctions, treesize of input 14 treesize of output 1 [2023-11-23 20:33:35,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,057 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 24 treesize of output 11 [2023-11-23 20:33:35,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,063 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:35,064 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:35,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,074 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 24 treesize of output 11 [2023-11-23 20:33:35,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,080 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:35,081 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:35,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,094 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 26 treesize of output 8 [2023-11-23 20:33:35,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,098 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 [2023-11-23 20:33:35,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,113 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 26 treesize of output 8 [2023-11-23 20:33:35,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,118 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 [2023-11-23 20:33:35,124 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 58 treesize of output 58 [2023-11-23 20:33:35,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,136 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 44 treesize of output 20 [2023-11-23 20:33:35,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,146 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:35,146 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:35,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,159 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:35,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 1 [2023-11-23 20:33:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,166 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:35,166 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:35,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43 [2023-11-23 20:33:35,185 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,193 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 37 treesize of output 45 [2023-11-23 20:33:35,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,208 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 44 treesize of output 20 [2023-11-23 20:33:35,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,216 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:35,217 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:35,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,226 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 8 [2023-11-23 20:33:35,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,230 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 [2023-11-23 20:33:35,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43 [2023-11-23 20:33:35,243 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,259 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:35,259 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 2 case distinctions, treesize of input 20 treesize of output 17 [2023-11-23 20:33:35,267 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 57 treesize of output 57 [2023-11-23 20:33:35,274 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 30 treesize of output 30 [2023-11-23 20:33:35,285 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,293 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 38 treesize of output 46 [2023-11-23 20:33:35,303 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:35,303 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 1 case distinctions, treesize of input 19 treesize of output 19 [2023-11-23 20:33:35,313 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,323 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:35,323 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 2 case distinctions, treesize of input 20 treesize of output 17 [2023-11-23 20:33:35,334 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 62 treesize of output 62 [2023-11-23 20:33:35,342 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 30 treesize of output 30 [2023-11-23 20:33:35,355 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,361 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 38 treesize of output 46 [2023-11-23 20:33:35,368 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 19 treesize of output 22 [2023-11-23 20:33:35,378 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,384 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 36 treesize of output 36 [2023-11-23 20:33:35,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 14 treesize of output 1 [2023-11-23 20:33:35,413 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:35,413 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:35,419 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 41 treesize of output 41 [2023-11-23 20:33:35,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,433 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 8 [2023-11-23 20:33:35,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,437 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 [2023-11-23 20:33:35,441 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 25 treesize of output 28 [2023-11-23 20:33:35,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-11-23 20:33:35,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,453 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:35,454 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:35,461 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:35,462 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 1 case distinctions, treesize of input 25 treesize of output 25 [2023-11-23 20:33:35,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-23 20:33:35,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,472 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 [2023-11-23 20:33:35,480 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:35,480 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:35,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,487 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-11-23 20:33:35,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,493 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:35,494 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:35,502 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:35,503 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:35,510 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:35,511 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 1 case distinctions, treesize of input 25 treesize of output 25 [2023-11-23 20:33:35,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-23 20:33:35,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,520 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 [2023-11-23 20:33:35,528 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:35,529 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:35,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 41 [2023-11-23 20:33:35,539 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 19 treesize of output 22 [2023-11-23 20:33:35,547 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,555 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 8 [2023-11-23 20:33:35,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,560 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 [2023-11-23 20:33:35,570 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:35,571 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:35,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 41 [2023-11-23 20:33:35,583 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:35,584 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 1 case distinctions, treesize of input 19 treesize of output 19 [2023-11-23 20:33:35,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 17 [2023-11-23 20:33:35,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,599 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 [2023-11-23 20:33:35,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,603 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 [2023-11-23 20:33:35,609 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 57 treesize of output 57 [2023-11-23 20:33:35,615 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 30 treesize of output 30 [2023-11-23 20:33:35,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,626 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 41 treesize of output 17 [2023-11-23 20:33:35,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,633 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 [2023-11-23 20:33:35,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,638 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 [2023-11-23 20:33:35,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 41 [2023-11-23 20:33:35,648 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 19 treesize of output 22 [2023-11-23 20:33:35,656 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,661 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 36 treesize of output 36 [2023-11-23 20:33:35,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 14 treesize of output 1 [2023-11-23 20:33:35,679 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:35,679 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:35,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,690 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-11-23 20:33:35,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,697 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:35,698 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:35,703 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 86 treesize of output 70 [2023-11-23 20:33:35,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,713 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 41 treesize of output 17 [2023-11-23 20:33:35,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,722 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 [2023-11-23 20:33:35,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,728 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 [2023-11-23 20:33:35,739 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:35,740 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:35,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 41 [2023-11-23 20:33:35,754 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:35,755 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 1 case distinctions, treesize of input 19 treesize of output 19 [2023-11-23 20:33:35,762 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 38 [2023-11-23 20:33:35,783 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,793 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:35,793 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:35,803 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 38 treesize of output 46 [2023-11-23 20:33:35,813 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:35,813 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 1 case distinctions, treesize of input 19 treesize of output 19 [2023-11-23 20:33:35,822 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,832 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:35,832 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 2 case distinctions, treesize of input 20 treesize of output 17 [2023-11-23 20:33:35,842 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 91 treesize of output 75 [2023-11-23 20:33:35,856 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,863 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 54 treesize of output 54 [2023-11-23 20:33:35,873 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,886 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:35,887 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 2 case distinctions, treesize of input 20 treesize of output 17 [2023-11-23 20:33:35,893 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 86 treesize of output 70 [2023-11-23 20:33:35,904 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,915 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 8 [2023-11-23 20:33:35,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,919 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 [2023-11-23 20:33:35,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,925 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-11-23 20:33:35,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,932 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:35,932 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:35,940 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:35,941 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 1 case distinctions, treesize of input 25 treesize of output 25 [2023-11-23 20:33:35,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-23 20:33:35,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,951 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 [2023-11-23 20:33:35,967 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:35,968 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:35,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 38 [2023-11-23 20:33:35,982 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:35,990 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:35,990 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:35,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:35,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,000 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 8 [2023-11-23 20:33:36,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,004 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 [2023-11-23 20:33:36,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,009 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2023-11-23 20:33:36,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,016 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:36,016 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:36,024 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:36,024 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 1 case distinctions, treesize of input 25 treesize of output 25 [2023-11-23 20:33:36,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-23 20:33:36,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,034 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 [2023-11-23 20:33:36,042 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:36,042 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:36,051 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-23 20:33:36,051 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 2 case distinctions, treesize of input 15 treesize of output 12 [2023-11-23 20:33:36,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-11-23 20:33:36,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,061 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:33:36,062 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 1 case distinctions, treesize of input 11 treesize of output 1 [2023-11-23 20:33:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:36,150 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:36,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:36,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312726225] [2023-11-23 20:33:36,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:36,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944010688] [2023-11-23 20:33:36,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944010688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:36,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:36,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:33:36,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134684049] [2023-11-23 20:33:36,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:36,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 20:33:36,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:36,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 20:33:36,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:33:36,154 INFO L87 Difference]: Start difference. First operand 86 states and 89 transitions. Second operand has 7 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:36,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:36,263 INFO L93 Difference]: Finished difference Result 113 states and 114 transitions. [2023-11-23 20:33:36,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:33:36,264 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2023-11-23 20:33:36,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:36,265 INFO L225 Difference]: With dead ends: 113 [2023-11-23 20:33:36,265 INFO L226 Difference]: Without dead ends: 112 [2023-11-23 20:33:36,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:33:36,266 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 70 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:36,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 207 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:33:36,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-23 20:33:36,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 89. [2023-11-23 20:33:36,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 53 states have (on average 1.5471698113207548) internal successors, (82), 81 states have internal predecessors, (82), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-23 20:33:36,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 91 transitions. [2023-11-23 20:33:36,275 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 91 transitions. Word has length 20 [2023-11-23 20:33:36,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:36,276 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 91 transitions. [2023-11-23 20:33:36,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:36,276 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2023-11-23 20:33:36,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:33:36,277 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:36,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:36,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:36,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:36,497 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting func_to_recursive_line_30_to_38_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:36,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:36,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1103036171, now seen corresponding path program 1 times [2023-11-23 20:33:36,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:36,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997603861] [2023-11-23 20:33:36,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:36,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:36,530 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:36,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1365526629] [2023-11-23 20:33:36,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:36,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:36,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:36,531 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:36,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 20:33:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:36,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:33:36,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:36,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,667 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 19 treesize of output 8 [2023-11-23 20:33:36,669 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 [2023-11-23 20:33:36,676 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:36,676 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 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-23 20:33:36,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,682 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-23 20:33:36,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,685 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 [2023-11-23 20:33:36,690 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:36,691 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 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:33:36,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,710 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-23 20:33:36,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,716 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 [2023-11-23 20:33:36,722 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:36,722 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:33:36,730 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:36,730 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 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:33:36,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,748 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-23 20:33:36,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,751 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 [2023-11-23 20:33:36,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,762 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 19 treesize of output 8 [2023-11-23 20:33:36,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,767 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 [2023-11-23 20:33:36,773 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:36,774 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 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-23 20:33:36,780 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:36,781 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 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:33:36,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,785 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-23 20:33:36,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,788 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 [2023-11-23 20:33:36,795 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:36,795 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 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:33:36,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,800 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-23 20:33:36,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,804 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 [2023-11-23 20:33:36,810 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:36,811 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 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-23 20:33:36,816 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 57 treesize of output 54 [2023-11-23 20:33:36,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,827 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 46 treesize of output 22 [2023-11-23 20:33:36,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,831 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 [2023-11-23 20:33:36,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,845 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 39 treesize of output 17 [2023-11-23 20:33:36,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,852 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 [2023-11-23 20:33:36,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,856 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-11-23 20:33:36,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,860 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 [2023-11-23 20:33:36,865 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:36,865 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 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:33:36,873 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 51 treesize of output 51 [2023-11-23 20:33:36,883 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:36,888 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:36,889 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-23 20:33:36,896 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 67 treesize of output 59 [2023-11-23 20:33:36,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,904 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 39 treesize of output 17 [2023-11-23 20:33:36,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,907 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 [2023-11-23 20:33:36,912 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:36,913 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 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-23 20:33:36,919 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 22 treesize of output 11 [2023-11-23 20:33:36,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,923 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 [2023-11-23 20:33:36,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,927 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 [2023-11-23 20:33:36,934 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 88 treesize of output 72 [2023-11-23 20:33:36,945 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 76 treesize of output 69 [2023-11-23 20:33:36,959 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:36,967 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 38 treesize of output 46 [2023-11-23 20:33:36,975 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 16 treesize of output 19 [2023-11-23 20:33:36,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,984 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 48 treesize of output 22 [2023-11-23 20:33:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:36,988 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 [2023-11-23 20:33:36,994 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 16 treesize of output 19 [2023-11-23 20:33:36,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,002 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 [2023-11-23 20:33:37,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,006 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 [2023-11-23 20:33:37,012 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:37,012 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 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-23 20:33:37,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 41 [2023-11-23 20:33:37,023 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 16 treesize of output 19 [2023-11-23 20:33:37,030 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,038 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 16 treesize of output 19 [2023-11-23 20:33:37,046 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,051 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:37,052 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 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:33:37,059 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:37,060 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 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:33:37,064 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 22 treesize of output 25 [2023-11-23 20:33:37,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-23 20:33:37,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,072 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 [2023-11-23 20:33:37,083 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 56 treesize of output 56 [2023-11-23 20:33:37,095 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 60 treesize of output 61 [2023-11-23 20:33:37,104 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 16 treesize of output 19 [2023-11-23 20:33:37,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,116 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 58 treesize of output 25 [2023-11-23 20:33:37,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,120 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 [2023-11-23 20:33:37,125 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 22 treesize of output 11 [2023-11-23 20:33:37,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,130 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 [2023-11-23 20:33:37,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,134 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 [2023-11-23 20:33:37,142 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:37,142 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 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-23 20:33:37,147 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 51 treesize of output 51 [2023-11-23 20:33:37,155 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 55 treesize of output 56 [2023-11-23 20:33:37,161 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 16 treesize of output 19 [2023-11-23 20:33:37,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,169 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 53 treesize of output 25 [2023-11-23 20:33:37,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,177 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 [2023-11-23 20:33:37,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,180 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 [2023-11-23 20:33:37,186 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 35 treesize of output 43 [2023-11-23 20:33:37,191 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 16 treesize of output 19 [2023-11-23 20:33:37,199 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,204 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:37,205 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 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-23 20:33:37,212 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:37,212 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 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:33:37,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 38 [2023-11-23 20:33:37,220 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 16 treesize of output 19 [2023-11-23 20:33:37,226 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 41 [2023-11-23 20:33:37,236 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 16 treesize of output 19 [2023-11-23 20:33:37,243 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,248 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 16 treesize of output 19 [2023-11-23 20:33:37,254 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,259 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:37,259 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 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:33:37,266 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:37,266 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 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-23 20:33:37,272 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 51 treesize of output 51 [2023-11-23 20:33:37,282 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 36 treesize of output 39 [2023-11-23 20:33:37,288 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,297 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:37,297 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 1 case distinctions, treesize of input 17 treesize of output 17 [2023-11-23 20:33:37,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,304 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 8 [2023-11-23 20:33:37,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,307 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 [2023-11-23 20:33:37,311 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 22 treesize of output 25 [2023-11-23 20:33:37,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-23 20:33:37,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,318 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 [2023-11-23 20:33:37,323 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:37,324 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 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:33:37,330 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:37,330 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 1 case distinctions, treesize of input 12 treesize of output 12 [2023-11-23 20:33:37,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:33:37,342 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,348 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,360 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 8 [2023-11-23 20:33:37,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,364 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 [2023-11-23 20:33:37,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 40 [2023-11-23 20:33:37,375 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,382 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43 [2023-11-23 20:33:37,399 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,407 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,415 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,422 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,428 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 8 [2023-11-23 20:33:37,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,432 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 [2023-11-23 20:33:37,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,440 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 32 treesize of output 40 [2023-11-23 20:33:37,451 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,461 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43 [2023-11-23 20:33:37,475 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,483 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,491 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,499 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,516 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 53 treesize of output 53 [2023-11-23 20:33:37,526 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,535 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,545 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 26 treesize of output 8 [2023-11-23 20:33:37,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,548 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 [2023-11-23 20:33:37,556 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 55 treesize of output 55 [2023-11-23 20:33:37,565 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 40 [2023-11-23 20:33:37,576 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,582 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,589 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 53 treesize of output 53 [2023-11-23 20:33:37,600 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,608 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,615 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 92 treesize of output 76 [2023-11-23 20:33:37,627 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,634 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 61 treesize of output 58 [2023-11-23 20:33:37,645 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,654 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43 [2023-11-23 20:33:37,667 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,674 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,682 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,689 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,695 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 71 treesize of output 63 [2023-11-23 20:33:37,705 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43 [2023-11-23 20:33:37,718 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,726 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,734 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,741 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 38 [2023-11-23 20:33:37,758 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,764 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,771 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,778 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,786 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,794 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,807 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 32 treesize of output 40 [2023-11-23 20:33:37,815 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 [2023-11-23 20:33:37,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,819 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 [2023-11-23 20:33:37,826 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 48 treesize of output 24 [2023-11-23 20:33:37,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,831 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 [2023-11-23 20:33:37,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-23 20:33:37,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,841 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 [2023-11-23 20:33:37,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-23 20:33:37,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,849 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 [2023-11-23 20:33:37,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,856 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 8 [2023-11-23 20:33:37,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,860 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 [2023-11-23 20:33:37,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 38 [2023-11-23 20:33:37,876 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,882 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,890 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,896 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,904 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,913 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:37,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,920 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 8 [2023-11-23 20:33:37,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,924 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 [2023-11-23 20:33:37,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,932 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 24 treesize of output 11 [2023-11-23 20:33:37,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,937 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 [2023-11-23 20:33:37,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,941 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 [2023-11-23 20:33:37,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,952 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 26 treesize of output 8 [2023-11-23 20:33:37,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,956 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 [2023-11-23 20:33:37,966 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 37 treesize of output 45 [2023-11-23 20:33:37,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,975 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 [2023-11-23 20:33:37,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,979 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 [2023-11-23 20:33:37,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,988 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 48 treesize of output 24 [2023-11-23 20:33:37,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:37,993 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 [2023-11-23 20:33:38,001 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 60 treesize of output 60 [2023-11-23 20:33:38,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,018 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 [2023-11-23 20:33:38,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,023 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 [2023-11-23 20:33:38,033 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 76 treesize of output 68 [2023-11-23 20:33:38,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,046 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 [2023-11-23 20:33:38,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,052 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 [2023-11-23 20:33:38,057 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 53 treesize of output 53 [2023-11-23 20:33:38,066 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 54 treesize of output 55 [2023-11-23 20:33:38,076 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,084 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 61 treesize of output 62 [2023-11-23 20:33:38,095 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,104 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 53 treesize of output 53 [2023-11-23 20:33:38,113 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 61 treesize of output 62 [2023-11-23 20:33:38,125 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,133 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 54 treesize of output 55 [2023-11-23 20:33:38,143 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,151 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 92 treesize of output 76 [2023-11-23 20:33:38,162 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 80 treesize of output 73 [2023-11-23 20:33:38,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,207 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 58 treesize of output 25 [2023-11-23 20:33:38,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,215 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 [2023-11-23 20:33:38,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,218 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 [2023-11-23 20:33:38,231 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 58 treesize of output 58 [2023-11-23 20:33:38,244 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 59 treesize of output 60 [2023-11-23 20:33:38,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,256 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 58 treesize of output 25 [2023-11-23 20:33:38,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,262 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 [2023-11-23 20:33:38,273 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 66 treesize of output 67 [2023-11-23 20:33:38,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,286 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 65 treesize of output 32 [2023-11-23 20:33:38,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,291 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 [2023-11-23 20:33:38,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 81 [2023-11-23 20:33:38,318 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-11-23 20:33:38,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,331 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 [2023-11-23 20:33:38,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-23 20:33:38,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,340 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 [2023-11-23 20:33:38,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,348 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 8 [2023-11-23 20:33:38,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,352 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 [2023-11-23 20:33:38,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43 [2023-11-23 20:33:38,366 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,373 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,382 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,390 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,397 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 8 [2023-11-23 20:33:38,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,401 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 [2023-11-23 20:33:38,407 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 61 treesize of output 58 [2023-11-23 20:33:38,418 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,428 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43 [2023-11-23 20:33:38,441 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,449 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,458 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,464 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:38,473 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 66 treesize of output 63 [2023-11-23 20:33:38,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,490 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 53 treesize of output 22 [2023-11-23 20:33:38,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,494 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 [2023-11-23 20:33:38,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,509 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 [2023-11-23 20:33:38,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,513 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 [2023-11-23 20:33:38,518 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 40 treesize of output 48 [2023-11-23 20:33:38,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,531 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 [2023-11-23 20:33:38,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,535 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 [2023-11-23 20:33:38,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,543 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 48 treesize of output 24 [2023-11-23 20:33:38,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,550 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 [2023-11-23 20:33:38,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,560 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 55 treesize of output 29 [2023-11-23 20:33:38,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,565 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 [2023-11-23 20:33:38,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,574 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 48 treesize of output 22 [2023-11-23 20:33:38,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:38,578 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 [2023-11-23 20:33:38,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:38,639 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:38,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:38,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997603861] [2023-11-23 20:33:38,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:38,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365526629] [2023-11-23 20:33:38,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365526629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:38,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:38,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:33:38,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582456084] [2023-11-23 20:33:38,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:38,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 20:33:38,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:38,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 20:33:38,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:33:38,642 INFO L87 Difference]: Start difference. First operand 89 states and 91 transitions. Second operand has 7 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:38,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:38,763 INFO L93 Difference]: Finished difference Result 112 states and 113 transitions. [2023-11-23 20:33:38,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:33:38,764 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-11-23 20:33:38,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:38,765 INFO L225 Difference]: With dead ends: 112 [2023-11-23 20:33:38,765 INFO L226 Difference]: Without dead ends: 111 [2023-11-23 20:33:38,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:33:38,766 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 61 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:38,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 244 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:33:38,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-23 20:33:38,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 90. [2023-11-23 20:33:38,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 54 states have (on average 1.537037037037037) internal successors, (83), 82 states have internal predecessors, (83), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-23 20:33:38,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 92 transitions. [2023-11-23 20:33:38,775 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 92 transitions. Word has length 21 [2023-11-23 20:33:38,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:38,775 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 92 transitions. [2023-11-23 20:33:38,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 92 transitions. [2023-11-23 20:33:38,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:33:38,776 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:38,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:38,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:38,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:38,998 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting func_to_recursive_line_30_to_38_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:38,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:38,999 INFO L85 PathProgramCache]: Analyzing trace with hash -165617002, now seen corresponding path program 1 times [2023-11-23 20:33:38,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:38,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249368115] [2023-11-23 20:33:38,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:38,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:39,018 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:39,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1800793261] [2023-11-23 20:33:39,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:39,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:39,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:39,020 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:39,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 20:33:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:39,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-23 20:33:39,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:39,180 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-23 20:33:39,181 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 [2023-11-23 20:33:39,208 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 114 treesize of output 74 [2023-11-23 20:33:39,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:39,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:39,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:39,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:39,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:39,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:39,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 34 [2023-11-23 20:33:39,228 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 12 treesize of output 1 [2023-11-23 20:33:39,232 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 [2023-11-23 20:33:40,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:40,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:40,031 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-23 20:33:40,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 24 [2023-11-23 20:33:40,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:40,051 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:40,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:40,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249368115] [2023-11-23 20:33:40,052 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:40,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800793261] [2023-11-23 20:33:40,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800793261] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:40,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:40,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 20:33:40,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830809933] [2023-11-23 20:33:40,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:40,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 20:33:40,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:40,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 20:33:40,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:33:40,054 INFO L87 Difference]: Start difference. First operand 90 states and 92 transitions. Second operand has 9 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:40,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:40,789 INFO L93 Difference]: Finished difference Result 119 states and 120 transitions. [2023-11-23 20:33:40,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 20:33:40,790 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-11-23 20:33:40,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:40,791 INFO L225 Difference]: With dead ends: 119 [2023-11-23 20:33:40,791 INFO L226 Difference]: Without dead ends: 117 [2023-11-23 20:33:40,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-11-23 20:33:40,792 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 52 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:40,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 371 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 20:33:40,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-23 20:33:40,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 93. [2023-11-23 20:33:40,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 57 states have (on average 1.5263157894736843) internal successors, (87), 85 states have internal predecessors, (87), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-23 20:33:40,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 96 transitions. [2023-11-23 20:33:40,804 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 96 transitions. Word has length 22 [2023-11-23 20:33:40,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:40,804 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 96 transitions. [2023-11-23 20:33:40,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:40,805 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 96 transitions. [2023-11-23 20:33:40,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:33:40,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:40,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:40,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:41,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:41,023 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:41,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:41,024 INFO L85 PathProgramCache]: Analyzing trace with hash -839454086, now seen corresponding path program 1 times [2023-11-23 20:33:41,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:41,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924577539] [2023-11-23 20:33:41,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:41,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:41,039 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:41,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1546242704] [2023-11-23 20:33:41,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:41,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:41,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:41,041 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:41,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-23 20:33:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:41,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-23 20:33:41,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:41,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:41,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:41,228 INFO L349 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2023-11-23 20:33:41,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 43 [2023-11-23 20:33:41,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:41,268 INFO L349 Elim1Store]: treesize reduction 26, result has 36.6 percent of original size [2023-11-23 20:33:41,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 222 treesize of output 226 [2023-11-23 20:33:41,302 INFO L349 Elim1Store]: treesize reduction 28, result has 30.0 percent of original size [2023-11-23 20:33:41,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 26 [2023-11-23 20:33:41,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 14 [2023-11-23 20:33:41,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:41,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:41,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:41,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924577539] [2023-11-23 20:33:41,521 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:41,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546242704] [2023-11-23 20:33:41,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546242704] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:41,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:41,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 20:33:41,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520547322] [2023-11-23 20:33:41,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:41,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 20:33:41,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:41,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 20:33:41,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:33:41,524 INFO L87 Difference]: Start difference. First operand 93 states and 96 transitions. Second operand has 9 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:33:41,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:41,847 INFO L93 Difference]: Finished difference Result 115 states and 118 transitions. [2023-11-23 20:33:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 20:33:41,847 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2023-11-23 20:33:41,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:41,849 INFO L225 Difference]: With dead ends: 115 [2023-11-23 20:33:41,850 INFO L226 Difference]: Without dead ends: 112 [2023-11-23 20:33:41,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-11-23 20:33:41,851 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 152 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:41,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 135 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:33:41,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-23 20:33:41,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 95. [2023-11-23 20:33:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 85 states have internal predecessors, (88), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-23 20:33:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 98 transitions. [2023-11-23 20:33:41,862 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 98 transitions. Word has length 23 [2023-11-23 20:33:41,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:41,862 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 98 transitions. [2023-11-23 20:33:41,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:33:41,862 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 98 transitions. [2023-11-23 20:33:41,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:33:41,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:41,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:41,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:42,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:42,081 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting func_to_recursive_line_30_to_38_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:42,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:42,082 INFO L85 PathProgramCache]: Analyzing trace with hash -839159699, now seen corresponding path program 1 times [2023-11-23 20:33:42,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:42,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123045932] [2023-11-23 20:33:42,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:42,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:42,108 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:42,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [161791310] [2023-11-23 20:33:42,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:42,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:42,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:42,110 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:42,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-23 20:33:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:42,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-23 20:33:42,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:42,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:42,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:42,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:42,272 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 35 [2023-11-23 20:33:42,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:42,289 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-23 20:33:42,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 49 [2023-11-23 20:33:42,295 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 28 treesize of output 21 [2023-11-23 20:33:42,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:42,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:42,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 29 treesize of output 13 [2023-11-23 20:33:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:42,610 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:42,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:42,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123045932] [2023-11-23 20:33:42,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:42,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161791310] [2023-11-23 20:33:42,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161791310] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:42,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:42,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:33:42,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632183813] [2023-11-23 20:33:42,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:42,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 20:33:42,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:42,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 20:33:42,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:33:42,613 INFO L87 Difference]: Start difference. First operand 95 states and 98 transitions. Second operand has 7 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:42,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:42,814 INFO L93 Difference]: Finished difference Result 115 states and 116 transitions. [2023-11-23 20:33:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 20:33:42,815 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-11-23 20:33:42,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:42,815 INFO L225 Difference]: With dead ends: 115 [2023-11-23 20:33:42,816 INFO L226 Difference]: Without dead ends: 113 [2023-11-23 20:33:42,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:33:42,817 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 42 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:42,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 263 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:33:42,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-23 20:33:42,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 96. [2023-11-23 20:33:42,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 86 states have internal predecessors, (88), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-23 20:33:42,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 98 transitions. [2023-11-23 20:33:42,828 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 98 transitions. Word has length 23 [2023-11-23 20:33:42,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:42,829 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 98 transitions. [2023-11-23 20:33:42,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:42,829 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 98 transitions. [2023-11-23 20:33:42,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:33:42,830 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:42,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:42,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:43,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-23 20:33:43,039 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:43,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:43,040 INFO L85 PathProgramCache]: Analyzing trace with hash -253272801, now seen corresponding path program 1 times [2023-11-23 20:33:43,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:43,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319408352] [2023-11-23 20:33:43,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:43,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:43,064 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:43,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1337448934] [2023-11-23 20:33:43,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:43,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:43,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:43,066 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:43,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-23 20:33:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:43,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-23 20:33:43,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:43,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:43,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 61 [2023-11-23 20:33:43,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:43,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:43,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:43,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 18 [2023-11-23 20:33:43,348 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 9 treesize of output 7 [2023-11-23 20:33:43,351 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 [2023-11-23 20:33:43,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:43,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:43,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:43,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:43,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:43,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:43,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:43,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:43,370 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-23 20:33:43,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 21 [2023-11-23 20:33:43,379 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:43,389 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:43,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:43,396 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:43,401 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:43,404 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:43,409 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:43,412 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:43,420 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:43,427 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:43,435 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:43,463 INFO L349 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2023-11-23 20:33:43,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 59 [2023-11-23 20:33:43,506 INFO L349 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2023-11-23 20:33:43,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 52 [2023-11-23 20:33:43,560 INFO L349 Elim1Store]: treesize reduction 40, result has 45.2 percent of original size [2023-11-23 20:33:43,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 63 [2023-11-23 20:33:43,593 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 7 treesize of output 5 [2023-11-23 20:33:43,612 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 [2023-11-23 20:33:43,617 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 13 treesize of output 9 [2023-11-23 20:33:43,640 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-11-23 20:33:43,640 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 1 case distinctions, treesize of input 48 treesize of output 55 [2023-11-23 20:33:43,705 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:33:43,706 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 48 treesize of output 50 [2023-11-23 20:33:43,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 10 [2023-11-23 20:33:43,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:43,814 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:43,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:43,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319408352] [2023-11-23 20:33:43,814 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:43,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337448934] [2023-11-23 20:33:43,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337448934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:43,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:43,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:33:43,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231785324] [2023-11-23 20:33:43,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:43,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 20:33:43,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:43,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 20:33:43,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:33:43,817 INFO L87 Difference]: Start difference. First operand 96 states and 98 transitions. Second operand has 7 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:33:43,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:43,965 INFO L93 Difference]: Finished difference Result 113 states and 114 transitions. [2023-11-23 20:33:43,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:33:43,966 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2023-11-23 20:33:43,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:43,967 INFO L225 Difference]: With dead ends: 113 [2023-11-23 20:33:43,967 INFO L226 Difference]: Without dead ends: 111 [2023-11-23 20:33:43,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:33:43,968 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 60 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:43,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 202 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:33:43,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-23 20:33:43,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2023-11-23 20:33:43,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 64 states have (on average 1.421875) internal successors, (91), 89 states have internal predecessors, (91), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-23 20:33:43,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 101 transitions. [2023-11-23 20:33:43,980 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 101 transitions. Word has length 24 [2023-11-23 20:33:43,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:43,981 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 101 transitions. [2023-11-23 20:33:43,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:33:43,981 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 101 transitions. [2023-11-23 20:33:43,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:33:43,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:43,982 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:44,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:44,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-23 20:33:44,191 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting func_to_recursive_line_30_to_38_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:44,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:44,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1598105690, now seen corresponding path program 1 times [2023-11-23 20:33:44,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:44,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946751731] [2023-11-23 20:33:44,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:44,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:44,208 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:44,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2076462792] [2023-11-23 20:33:44,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:44,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:44,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:44,210 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:44,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-23 20:33:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:44,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-23 20:33:44,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:44,402 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:44,408 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 73 [2023-11-23 20:33:44,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 60 [2023-11-23 20:33:44,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 18 [2023-11-23 20:33:44,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:44,482 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 20:33:44,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 33 [2023-11-23 20:33:44,495 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 [2023-11-23 20:33:44,501 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 9 treesize of output 7 [2023-11-23 20:33:44,986 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 25 treesize of output 23 [2023-11-23 20:33:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:45,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 31 treesize of output 15 [2023-11-23 20:33:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:45,078 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:45,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:45,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946751731] [2023-11-23 20:33:45,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:45,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076462792] [2023-11-23 20:33:45,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076462792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:45,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:45,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:33:45,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085656672] [2023-11-23 20:33:45,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:45,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 20:33:45,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:45,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 20:33:45,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:33:45,081 INFO L87 Difference]: Start difference. First operand 99 states and 101 transitions. Second operand has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:45,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:45,361 INFO L93 Difference]: Finished difference Result 115 states and 116 transitions. [2023-11-23 20:33:45,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:33:45,363 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2023-11-23 20:33:45,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:45,365 INFO L225 Difference]: With dead ends: 115 [2023-11-23 20:33:45,365 INFO L226 Difference]: Without dead ends: 114 [2023-11-23 20:33:45,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-23 20:33:45,366 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 64 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:45,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 228 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:33:45,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-23 20:33:45,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 100. [2023-11-23 20:33:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 65 states have (on average 1.4153846153846155) internal successors, (92), 90 states have internal predecessors, (92), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-23 20:33:45,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 102 transitions. [2023-11-23 20:33:45,382 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 102 transitions. Word has length 26 [2023-11-23 20:33:45,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:45,382 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 102 transitions. [2023-11-23 20:33:45,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:45,383 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2023-11-23 20:33:45,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:33:45,384 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:45,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:45,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-23 20:33:45,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-23 20:33:45,591 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:45,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:45,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1007614910, now seen corresponding path program 1 times [2023-11-23 20:33:45,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:45,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086187992] [2023-11-23 20:33:45,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:45,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:45,619 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:45,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1352668143] [2023-11-23 20:33:45,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:45,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:45,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:45,622 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:45,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-23 20:33:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:45,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 20:33:45,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:45,750 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 55 treesize of output 52 [2023-11-23 20:33:45,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:45,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:45,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:45,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:45,805 INFO L349 Elim1Store]: treesize reduction 34, result has 42.4 percent of original size [2023-11-23 20:33:45,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 108 [2023-11-23 20:33:45,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:45,817 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 14 treesize of output 12 [2023-11-23 20:33:45,828 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 25 treesize of output 22 [2023-11-23 20:33:45,856 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 61 treesize of output 57 [2023-11-23 20:33:45,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:45,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 24 [2023-11-23 20:33:45,975 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-11-23 20:33:45,977 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 1 case distinctions, treesize of input 34 treesize of output 37 [2023-11-23 20:33:45,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:45,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:45,985 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:46,004 INFO L349 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2023-11-23 20:33:46,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 79 [2023-11-23 20:33:46,014 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 14 treesize of output 12 [2023-11-23 20:33:46,022 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 [2023-11-23 20:33:46,089 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 50 treesize of output 22 [2023-11-23 20:33:46,150 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 50 treesize of output 47 [2023-11-23 20:33:46,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,187 INFO L349 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2023-11-23 20:33:46,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 64 [2023-11-23 20:33:46,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,216 INFO L349 Elim1Store]: treesize reduction 39, result has 26.4 percent of original size [2023-11-23 20:33:46,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 86 [2023-11-23 20:33:46,245 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 [2023-11-23 20:33:46,282 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 80 treesize of output 76 [2023-11-23 20:33:46,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 23 [2023-11-23 20:33:46,339 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 50 treesize of output 47 [2023-11-23 20:33:46,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,351 INFO L349 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2023-11-23 20:33:46,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 116 treesize of output 106 [2023-11-23 20:33:46,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,360 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:46,363 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:46,372 INFO L349 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2023-11-23 20:33:46,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 1 [2023-11-23 20:33:46,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,399 INFO L349 Elim1Store]: treesize reduction 143, result has 0.7 percent of original size [2023-11-23 20:33:46,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 270 treesize of output 1 [2023-11-23 20:33:46,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,420 INFO L349 Elim1Store]: treesize reduction 50, result has 2.0 percent of original size [2023-11-23 20:33:46,420 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 62 treesize of output 1 [2023-11-23 20:33:46,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,439 INFO L349 Elim1Store]: treesize reduction 50, result has 2.0 percent of original size [2023-11-23 20:33:46,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 1 [2023-11-23 20:33:46,447 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:33:46,447 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 1 case distinctions, treesize of input 34 treesize of output 28 [2023-11-23 20:33:46,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:46,462 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2023-11-23 20:33:46,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 1 [2023-11-23 20:33:46,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,479 INFO L349 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-23 20:33:46,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 134 treesize of output 166 [2023-11-23 20:33:46,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,501 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:46,503 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:46,511 INFO L349 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-23 20:33:46,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 149 treesize of output 1 [2023-11-23 20:33:46,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,537 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:46,548 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2023-11-23 20:33:46,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 128 treesize of output 1 [2023-11-23 20:33:46,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,563 INFO L349 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2023-11-23 20:33:46,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 116 treesize of output 106 [2023-11-23 20:33:46,573 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 68 treesize of output 64 [2023-11-23 20:33:46,578 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:46,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,583 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 50 treesize of output 47 [2023-11-23 20:33:46,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,595 INFO L349 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2023-11-23 20:33:46,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 116 treesize of output 106 [2023-11-23 20:33:46,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,608 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:46,609 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:46,615 INFO L349 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2023-11-23 20:33:46,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 1 [2023-11-23 20:33:46,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,639 INFO L349 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2023-11-23 20:33:46,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 136 treesize of output 1 [2023-11-23 20:33:46,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,677 INFO L349 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2023-11-23 20:33:46,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 1 [2023-11-23 20:33:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,702 INFO L349 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2023-11-23 20:33:46,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 161 treesize of output 1 [2023-11-23 20:33:46,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,722 INFO L349 Elim1Store]: treesize reduction 67, result has 1.5 percent of original size [2023-11-23 20:33:46,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 77 treesize of output 1 [2023-11-23 20:33:46,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,752 INFO L349 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2023-11-23 20:33:46,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 78 treesize of output 1 [2023-11-23 20:33:46,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,798 INFO L349 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2023-11-23 20:33:46,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 112 [2023-11-23 20:33:46,810 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 50 treesize of output 34 [2023-11-23 20:33:46,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,822 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:46,827 INFO L349 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2023-11-23 20:33:46,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 1 [2023-11-23 20:33:46,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,839 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:46,841 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:46,846 INFO L349 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2023-11-23 20:33:46,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 1 [2023-11-23 20:33:46,851 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 50 treesize of output 47 [2023-11-23 20:33:46,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,861 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2023-11-23 20:33:46,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 47 [2023-11-23 20:33:46,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,873 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2023-11-23 20:33:46,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 1 [2023-11-23 20:33:46,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,895 INFO L349 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2023-11-23 20:33:46,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 1 [2023-11-23 20:33:46,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,906 INFO L349 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2023-11-23 20:33:46,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 53 [2023-11-23 20:33:46,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,920 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2023-11-23 20:33:46,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 1 [2023-11-23 20:33:46,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:46,932 INFO L349 Elim1Store]: treesize reduction 49, result has 2.0 percent of original size [2023-11-23 20:33:46,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 1 [2023-11-23 20:33:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:47,013 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:47,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:47,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086187992] [2023-11-23 20:33:47,013 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:47,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352668143] [2023-11-23 20:33:47,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352668143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:47,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:47,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:33:47,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820797934] [2023-11-23 20:33:47,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:47,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:33:47,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:47,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:33:47,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:33:47,016 INFO L87 Difference]: Start difference. First operand 100 states and 102 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:33:47,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:47,141 INFO L93 Difference]: Finished difference Result 112 states and 113 transitions. [2023-11-23 20:33:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:33:47,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2023-11-23 20:33:47,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:47,143 INFO L225 Difference]: With dead ends: 112 [2023-11-23 20:33:47,143 INFO L226 Difference]: Without dead ends: 111 [2023-11-23 20:33:47,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:33:47,144 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 35 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:47,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 199 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:33:47,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-23 20:33:47,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 101. [2023-11-23 20:33:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 91 states have internal predecessors, (93), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-23 20:33:47,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2023-11-23 20:33:47,155 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 27 [2023-11-23 20:33:47,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:47,156 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2023-11-23 20:33:47,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:33:47,156 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2023-11-23 20:33:47,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:33:47,157 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:47,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:47,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:47,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-23 20:33:47,375 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting func_to_recursive_line_30_to_38_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:47,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:47,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1998331087, now seen corresponding path program 1 times [2023-11-23 20:33:47,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:47,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863810762] [2023-11-23 20:33:47,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:47,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:47,393 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:47,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2053682942] [2023-11-23 20:33:47,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:47,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:47,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:47,395 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:47,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-23 20:33:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:47,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-23 20:33:47,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:47,632 INFO L349 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2023-11-23 20:33:47,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 82 [2023-11-23 20:33:47,642 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:47,672 INFO L349 Elim1Store]: treesize reduction 40, result has 38.5 percent of original size [2023-11-23 20:33:47,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 244 treesize of output 252 [2023-11-23 20:33:47,730 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 [2023-11-23 20:33:47,739 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 [2023-11-23 20:33:47,765 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 [2023-11-23 20:33:47,785 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-23 20:33:47,786 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 1 case distinctions, treesize of input 18 treesize of output 23 [2023-11-23 20:33:47,798 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 20:33:47,799 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 11 treesize of output 7 [2023-11-23 20:33:47,864 INFO L349 Elim1Store]: treesize reduction 63, result has 32.3 percent of original size [2023-11-23 20:33:47,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 78 [2023-11-23 20:33:47,921 INFO L349 Elim1Store]: treesize reduction 100, result has 22.5 percent of original size [2023-11-23 20:33:47,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 160 treesize of output 191 [2023-11-23 20:33:47,988 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 5 treesize of output 3 [2023-11-23 20:33:47,998 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 [2023-11-23 20:33:48,019 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:48,052 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 [2023-11-23 20:33:48,152 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 [2023-11-23 20:33:48,173 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 [2023-11-23 20:33:48,217 INFO L349 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2023-11-23 20:33:48,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 130 [2023-11-23 20:33:49,529 INFO L349 Elim1Store]: treesize reduction 40, result has 35.5 percent of original size [2023-11-23 20:33:49,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 83 [2023-11-23 20:33:49,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:49,592 INFO L349 Elim1Store]: treesize reduction 58, result has 32.6 percent of original size [2023-11-23 20:33:49,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 237 treesize of output 243 [2023-11-23 20:33:49,656 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 [2023-11-23 20:33:49,662 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 [2023-11-23 20:33:49,676 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 [2023-11-23 20:33:49,696 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 [2023-11-23 20:33:49,715 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 [2023-11-23 20:33:49,769 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-11-23 20:33:49,769 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 1 case distinctions, treesize of input 34 treesize of output 43 [2023-11-23 20:33:49,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:49,815 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 15 treesize of output 11 [2023-11-23 20:33:49,834 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:33:49,834 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 18 treesize of output 22 [2023-11-23 20:33:49,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:33:49,867 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 47 treesize of output 51 [2023-11-23 20:33:49,938 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:49,945 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:49,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:49,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:49,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 73 [2023-11-23 20:33:49,975 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:49,975 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:49,978 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:49,984 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:49,984 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:49,989 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:49,994 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:49,994 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:49,997 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:50,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 28 [2023-11-23 20:33:50,013 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 [2023-11-23 20:33:50,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,032 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 20:33:50,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 17 [2023-11-23 20:33:50,039 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 15 treesize of output 11 [2023-11-23 20:33:50,512 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 23 treesize of output 21 [2023-11-23 20:33:50,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:50,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 29 treesize of output 13 [2023-11-23 20:33:50,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:50,618 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:50,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:50,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863810762] [2023-11-23 20:33:50,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:50,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053682942] [2023-11-23 20:33:50,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053682942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:50,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:50,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:33:50,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709757418] [2023-11-23 20:33:50,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:50,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 20:33:50,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:50,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 20:33:50,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:33:50,621 INFO L87 Difference]: Start difference. First operand 101 states and 103 transitions. Second operand has 8 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:50,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:50,845 INFO L93 Difference]: Finished difference Result 113 states and 114 transitions. [2023-11-23 20:33:50,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:33:50,845 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2023-11-23 20:33:50,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:50,846 INFO L225 Difference]: With dead ends: 113 [2023-11-23 20:33:50,846 INFO L226 Difference]: Without dead ends: 112 [2023-11-23 20:33:50,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-23 20:33:50,847 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 41 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:50,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 269 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:33:50,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-23 20:33:50,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 102. [2023-11-23 20:33:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 92 states have internal predecessors, (94), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-23 20:33:50,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 104 transitions. [2023-11-23 20:33:50,858 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 104 transitions. Word has length 27 [2023-11-23 20:33:50,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:50,858 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 104 transitions. [2023-11-23 20:33:50,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:50,859 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 104 transitions. [2023-11-23 20:33:50,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:33:50,860 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:50,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:50,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-23 20:33:51,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-23 20:33:51,075 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:51,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:51,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1171291235, now seen corresponding path program 1 times [2023-11-23 20:33:51,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:51,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138535862] [2023-11-23 20:33:51,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:51,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:51,091 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:51,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1476029373] [2023-11-23 20:33:51,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:51,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:51,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:51,093 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:51,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-23 20:33:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:51,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:33:51,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:51,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,241 INFO L349 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2023-11-23 20:33:51,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 61 [2023-11-23 20:33:51,261 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 1 [2023-11-23 20:33:51,292 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 1 [2023-11-23 20:33:51,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,347 INFO L349 Elim1Store]: treesize reduction 44, result has 29.0 percent of original size [2023-11-23 20:33:51,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 84 [2023-11-23 20:33:51,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,374 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 1 [2023-11-23 20:33:51,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,439 INFO L349 Elim1Store]: treesize reduction 44, result has 29.0 percent of original size [2023-11-23 20:33:51,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 79 [2023-11-23 20:33:51,457 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 1 [2023-11-23 20:33:51,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,498 INFO L349 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2023-11-23 20:33:51,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 58 [2023-11-23 20:33:51,514 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 1 [2023-11-23 20:33:51,548 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 13 treesize of output 1 [2023-11-23 20:33:51,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,592 INFO L349 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2023-11-23 20:33:51,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 58 [2023-11-23 20:33:51,608 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:33:51,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 58 [2023-11-23 20:33:51,628 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-11-23 20:33:51,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 31 [2023-11-23 20:33:51,634 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 20 treesize of output 18 [2023-11-23 20:33:51,640 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 [2023-11-23 20:33:51,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,661 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:33:51,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 63 [2023-11-23 20:33:51,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,682 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-11-23 20:33:51,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 36 [2023-11-23 20:33:51,691 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 20 treesize of output 18 [2023-11-23 20:33:51,697 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 [2023-11-23 20:33:51,761 INFO L349 Elim1Store]: treesize reduction 122, result has 21.3 percent of original size [2023-11-23 20:33:51,761 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 3 case distinctions, treesize of input 44 treesize of output 48 [2023-11-23 20:33:51,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,771 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 20:33:51,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 48 treesize of output 42 [2023-11-23 20:33:51,780 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 14 treesize of output 12 [2023-11-23 20:33:51,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,801 INFO L349 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2023-11-23 20:33:51,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 58 [2023-11-23 20:33:51,817 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 13 treesize of output 1 [2023-11-23 20:33:51,824 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 14 treesize of output 12 [2023-11-23 20:33:51,849 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 1 [2023-11-23 20:33:51,855 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 14 treesize of output 12 [2023-11-23 20:33:51,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,893 INFO L349 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2023-11-23 20:33:51,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 63 [2023-11-23 20:33:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,908 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:33:51,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 68 [2023-11-23 20:33:51,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,919 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 14 treesize of output 12 [2023-11-23 20:33:51,929 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 158 treesize of output 150 [2023-11-23 20:33:51,939 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 61 treesize of output 1 [2023-11-23 20:33:51,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,974 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:33:51,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 63 [2023-11-23 20:33:51,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:51,985 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 14 treesize of output 12 [2023-11-23 20:33:51,994 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 136 treesize of output 129 [2023-11-23 20:33:52,000 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 40 treesize of output 1 [2023-11-23 20:33:52,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,073 INFO L349 Elim1Store]: treesize reduction 44, result has 29.0 percent of original size [2023-11-23 20:33:52,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 84 [2023-11-23 20:33:52,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,086 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:33:52,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 73 [2023-11-23 20:33:52,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,099 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 14 treesize of output 12 [2023-11-23 20:33:52,110 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 36 treesize of output 1 [2023-11-23 20:33:52,117 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 1 [2023-11-23 20:33:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,168 INFO L349 Elim1Store]: treesize reduction 44, result has 29.0 percent of original size [2023-11-23 20:33:52,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 79 [2023-11-23 20:33:52,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,179 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:33:52,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 68 [2023-11-23 20:33:52,189 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 30 treesize of output 1 [2023-11-23 20:33:52,194 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 1 [2023-11-23 20:33:52,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,233 INFO L349 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2023-11-23 20:33:52,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 58 [2023-11-23 20:33:52,246 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 14 treesize of output 12 [2023-11-23 20:33:52,252 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 1 [2023-11-23 20:33:52,278 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 14 treesize of output 12 [2023-11-23 20:33:52,286 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 13 treesize of output 1 [2023-11-23 20:33:52,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,326 INFO L349 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2023-11-23 20:33:52,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 61 [2023-11-23 20:33:52,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,361 INFO L349 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2023-11-23 20:33:52,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 73 treesize of output 84 [2023-11-23 20:33:52,376 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 14 treesize of output 12 [2023-11-23 20:33:52,383 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 1 [2023-11-23 20:33:52,396 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 93 treesize of output 61 [2023-11-23 20:33:52,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,444 INFO L349 Elim1Store]: treesize reduction 25, result has 41.9 percent of original size [2023-11-23 20:33:52,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 59 treesize of output 70 [2023-11-23 20:33:52,455 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 1 [2023-11-23 20:33:52,463 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 14 treesize of output 12 [2023-11-23 20:33:52,472 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 65 treesize of output 61 [2023-11-23 20:33:52,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,514 INFO L349 Elim1Store]: treesize reduction 44, result has 29.0 percent of original size [2023-11-23 20:33:52,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 84 [2023-11-23 20:33:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,528 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 14 treesize of output 12 [2023-11-23 20:33:52,539 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 1 [2023-11-23 20:33:52,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,605 INFO L349 Elim1Store]: treesize reduction 44, result has 29.0 percent of original size [2023-11-23 20:33:52,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 114 treesize of output 89 [2023-11-23 20:33:52,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2023-11-23 20:33:52,634 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:33:52,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 78 [2023-11-23 20:33:52,651 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 42 treesize of output 1 [2023-11-23 20:33:52,660 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 1 [2023-11-23 20:33:52,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,737 INFO L349 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2023-11-23 20:33:52,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 66 [2023-11-23 20:33:52,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,752 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:33:52,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 63 [2023-11-23 20:33:52,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,762 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 14 treesize of output 12 [2023-11-23 20:33:52,784 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-11-23 20:33:52,784 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 3 case distinctions, treesize of input 54 treesize of output 31 [2023-11-23 20:33:52,790 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 20 treesize of output 18 [2023-11-23 20:33:52,795 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 [2023-11-23 20:33:52,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,815 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:33:52,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 77 [2023-11-23 20:33:52,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,827 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 14 treesize of output 12 [2023-11-23 20:33:52,838 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 185 treesize of output 129 [2023-11-23 20:33:52,844 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 40 treesize of output 1 [2023-11-23 20:33:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,892 INFO L349 Elim1Store]: treesize reduction 44, result has 29.0 percent of original size [2023-11-23 20:33:52,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 84 [2023-11-23 20:33:52,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,925 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:33:52,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 73 [2023-11-23 20:33:52,936 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:33:52,936 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 76 treesize of output 76 [2023-11-23 20:33:52,960 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-11-23 20:33:52,960 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 3 case distinctions, treesize of input 66 treesize of output 39 [2023-11-23 20:33:52,966 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 20 treesize of output 18 [2023-11-23 20:33:52,971 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 [2023-11-23 20:33:52,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:52,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:53,067 INFO L349 Elim1Store]: treesize reduction 53, result has 52.3 percent of original size [2023-11-23 20:33:53,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 130 treesize of output 176 [2023-11-23 20:33:53,110 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 1 [2023-11-23 20:33:53,127 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 17 treesize of output 27 [2023-11-23 20:33:53,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 329 treesize of output 300 [2023-11-23 20:33:53,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:53,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:53,757 INFO L349 Elim1Store]: treesize reduction 49, result has 43.0 percent of original size [2023-11-23 20:33:53,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 141 treesize of output 160 [2023-11-23 20:33:53,782 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 14 treesize of output 12 [2023-11-23 20:33:53,791 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 1 [2023-11-23 20:33:53,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:53,834 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:53,837 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:33:53,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 46 [2023-11-23 20:33:53,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:53,849 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 23 treesize of output 22 [2023-11-23 20:33:53,993 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:33:54,013 INFO L349 Elim1Store]: treesize reduction 154, result has 0.6 percent of original size [2023-11-23 20:33:54,013 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 3 case distinctions, treesize of input 44 treesize of output 1 [2023-11-23 20:33:54,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:54,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:54,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:54,037 INFO L349 Elim1Store]: treesize reduction 110, result has 0.9 percent of original size [2023-11-23 20:33:54,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 140 treesize of output 1 [2023-11-23 20:33:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:54,438 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:54,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:54,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138535862] [2023-11-23 20:33:54,439 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 20:33:54,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476029373] [2023-11-23 20:33:54,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476029373] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:54,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:54,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:33:54,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748516139] [2023-11-23 20:33:54,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:54,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:33:54,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:54,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:33:54,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:33:54,441 INFO L87 Difference]: Start difference. First operand 102 states and 104 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:33:54,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:54,562 INFO L93 Difference]: Finished difference Result 112 states and 113 transitions. [2023-11-23 20:33:54,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:33:54,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2023-11-23 20:33:54,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:54,564 INFO L225 Difference]: With dead ends: 112 [2023-11-23 20:33:54,564 INFO L226 Difference]: Without dead ends: 111 [2023-11-23 20:33:54,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:33:54,565 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 32 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:54,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 167 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:33:54,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-23 20:33:54,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 103. [2023-11-23 20:33:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 93 states have internal predecessors, (95), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-23 20:33:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 105 transitions. [2023-11-23 20:33:54,581 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 105 transitions. Word has length 28 [2023-11-23 20:33:54,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:54,582 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 105 transitions. [2023-11-23 20:33:54,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:33:54,582 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 105 transitions. [2023-11-23 20:33:54,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:33:54,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:54,587 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:54,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:54,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-23 20:33:54,803 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2023-11-23 20:33:54,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:54,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1950290016, now seen corresponding path program 1 times [2023-11-23 20:33:54,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:54,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814585723] [2023-11-23 20:33:54,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:54,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:54,818 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:54,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2081264247] [2023-11-23 20:33:54,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:54,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:54,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:54,820 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:54,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f1a3f-bbc9-4a68-ae96-272a0121bcdc/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-23 20:33:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:54,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-23 20:33:54,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:54,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:54,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:55,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:55,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:55,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:33:55,008 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 [2023-11-23 20:33:55,040 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:34:06,396 WARN L293 SmtUtils]: Spent 11.34s on a formula simplification. DAG size of input: 247 DAG size of output: 149 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-23 20:34:06,396 INFO L349 Elim1Store]: treesize reduction 684, result has 40.7 percent of original size [2023-11-23 20:34:06,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 19 new quantified variables, introduced 69 case distinctions, treesize of input 8899 treesize of output 6145 [2023-11-23 20:34:07,884 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-23 20:34:07,884 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 133 treesize of output 162 [2023-11-23 20:34:08,787 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:34:08,788 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:34:08,818 INFO L349 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2023-11-23 20:34:08,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 20 [2023-11-23 20:34:08,987 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